Are you trying to find science lab power supply units among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!
We investigated and evaluated a number of the top-selling science lab power supply units on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 14 hours of research and did 22 science lab power supply units tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!
An overview of our top picks
Table of contents
The best science lab power supply units you can buy today
SaleNo. 1
Jesverty DC Power Supply Variable, 0-30V 0-10A Adjustable Switching DC Regulated Bench Power Supply with High Precision 4-Digit LED Display, 5V/2A USB Port, Coarse and Fine Adjustment SPS-3010
- 1️⃣【4-Digit Display & Power Calculation】: The Jesverty SPS series features a big bright 4-digit LED display that shows measured values of V／A／W that the unit outputs in real-time. The display resolution is up to 0.01V, 0.001A, and 0.1W.
- 2️⃣【Auto C.V. and C.C. Mode】: The Jesverty SPS series can be used as a constant-voltage*(C.V.) power supply and constant-current*(C.C.) power supply even when the load is changed. It switches automatically between CV mode and CC mode according to the changes in the load.
- 🌟Note: The V and A settings you set are the crossover point at which the mode switches.
- 3️⃣【Compact Body & Lightweight】: The Jesverty SPS series measured only 7.1(D)x3.35(W)x6.1(H)inches and weight of approx. 2.5lbs. It saves space on your workbench and can be moved around without any frustration.
- 4️⃣【Reliability and Safety】: The Jesverty SPS series is built with high-quality materials and reliable circuit designs that include multiple protection functions, such as short-circuit protection, over-load protection, grounding terminal, temperature-regulated fan, etc. to ensure performance and extend the lifespan.
- 5️⃣【Items you get & Customer service】: 1 x SPS Unit, 1 x Power Cord*, 1 set of test leads*, 1 x instruction manual (contact information included). We provide professional technical support. Should you have any problems or questions about your order, please feel free to contact the Jesverty Customer Service via Amazon or email.
- 🌟Note: Power cords and the AC input settings vary depending on the destination for the product at the factory-shipment.
- 🌟Note: The test leads that come with the unit are merely a give-away, we recommend that you prepare test leads with sufficient current capacity if your project needs long-term use of high current.
No. 2
UNI-T UDP3305S-E Programmable Linear DC Laboratory Power Supply with 4 Channels, 328W, 10mV, 1mA Resolution; Voltage <0.3%+20mV Current <0.2%+5mA Setting Accuracy
- 4CH, CH1/CH2: 0–30V/0–5A, CH3: 0–6V/0–3A, CH4: 5V/2A, Resolution: 10mV/1mA, Watts: 328W, Accuracy: <0.3%+20mV/<0.2%+5mA, USB/RS232/LAN, Digital I/O. Accessories: USB2.0 printing cable, Digital IO Plug, Power cord, Multi-language safety manual, English instructions.
- Using a 4.3-inch high-definition display screen, it provides users with a man-machine interface with rich functions and simple operation, which can display the current set output voltage/current, actual output voltage/current and protection output voltage/current value of the power supply in real time.
- The series-parallel connection between CH1 and CH2 of the main channel can be realized without external connection, which simplifies the connection and makes the test easier.
- With list and delay setting functions, it can set up to 2048 sets of data according to test requirements, and the number of cycles can reach 99999. It is used with waveform templates, which is very convenient for cycle testing and aging testing.
- It comes with rich remote control interface. Comes with excellent performance indicators, a variety of analysis functions and communication interfaces.
SaleNo. 3
DC Power Supply Variable, Bench Power Supply with Encoder Adjustment Knob, Output Enable/Disable Button, Adjustable Power Supply with USB Quick-Charge, Short Circuit Alam (30V 10A Black)
- High-precision Encoder Knob: Different from general knobs, this DC power supply has a precise encoder knob. You can press the knob to switch each digit, and then turn the knob to customize each digit in the range of 0-9. Set the voltage or current you want more accurately.
- Output Enable/Disable Button: In the process of using the bench power supply, Output button can prevent us from forgetting to turn off the output and causing damage to the load. Just press this button to turn on or turn off the output of the power supply. This makes it more convenient for you to use the variable power supply.
- Overcurrent Protection: When the OCP function is turned on, if the load equipment is short-circuited during operation, the adjustable power supply will automatically stop output and send a buzzer to alert the user. Protect the adjustable power supply and load from damage.
- Precise 4-digit LED Display: The dc power supply is equipped with a high-definition 4-digit display with data accurate to 0.01 V and 0.001 A. It has constant voltage (C.V.) and constant current (C.C.) modes, which can be switched automatically. You can see the working status indicator on the display. Additionally, you can adjust the brightness of the screen according to your needs.
- USB Fast Charging Port: The variable power supply is configured with an 18W fast charging port. No more mplaining about mobile phones or repaired devices not being charged in time. The NANKADF dc power supply allows you to avoid this dilemma. It charges your devices quickly anytime, anywhere.
- Compact and Lightweight: The measures of the variable dc power supply is only 7.51 x 3.56 x 5.81 inch and the weight is only 2.47 pounds, which saves more space on your workbench and is convenient for you to carry when you need it.
SaleNo. 4
Jesverty DC Power Supply Variable, 0-120V 0-3A Switching Bench Power Supply with 20W USB & Type-C Quick-Charge, Encoder Corase & Fine Adjustment Knob, Output Switch, 4-Digit LED Display - SPS-12003V
- 1️⃣【Coarse & Fine Encoder Knob】: Jesverty's SPS-V bench power supply upgrades from traditional potentiometer coarse & fine adjustment knobs to encoder coarse & fine knobs making it more convenient to set your desired voltage and current and greatly improve your work efficiency! ! The coarse knob sets the value before the decimal point, and the fine knob sets the value after the decimal point. (Setting resolution 0.01V/0.001A).
- 2️⃣【USB-A & USB-C 20W Quick-Charge】: The Jesverty desktop power supply features Type-A and Type-C dual charging ports, both supporting 20W fast charging⚡. Convenient for charging your smartphone and powering up your Arduino UNO, Raspberry Pi, or other electronic modules for your projects.
- 3️⃣【Output ON/OFF Button】: With a single press of the added output button, you can easily switch the output ON/OFF. When you want to adjust settings, you don't have to remove the load or turn off the power each time! !
- 4️⃣【Functions & Protection】: AC115V/230V selectable input, OCP over-current protection, Temperature-regulated cooling fan, OPN* output status setting, etc. A bunch of convenient functions are loaded within this tiny unit! !
- 🌟Note: OPN is a function that lets the unit output voltage and current as soon as you turn the power switch on without needing to push the "OUTPUT" button.
- 5️⃣【Compact & Lightweight】: Jesverty power source for electronics is made even more compact, measuring only 7.1(D)x3.6(W)x6.2(H)inches and weighing approx. 2.5lbs, which can greatly save valuable space on your workbench. Perfect for applications such as laboratories, educational sites, factory manufacturing tests, maintenance repairs, battery charging, anodizing, electronic work DIY, etc.
- 6️⃣【Items you get & Customer service】: 1 x SPS-V Unit, 1 x Power Cord*, 1 set of test leads*, 1 x instruction manual (Contact information included). We provide professional technical support. Should you have any problems or questions about your order, PLEASE feel free to CONTACT the Jesverty Customer Service via Amazon message or email📨 (on the back of the instruction manual).
- 🌟Note: Power cords and the AC input settings vary depending on the destination for the product at the factory-shipment.
- 🌟Note: The test leads that come with the unit are merely a give-away, we recommend that you prepare test leads with sufficient current capacity if your project needs long-term use of high current.
No. 5
NICE-POWER DC Power Supply Variable, 30V 30A 900W High Power Bench Power Supply with Encoder Knob and Output Switch, Lab Power Supply Adjustable Switching Regulated Power Supply Battery Charging
- New Function Output Switch: You can set the current directly without "short circuit"! Sometimes we need to switch between different voltage or current outputs, but often we forget to unplug the previous instrument, causing it to burn out, a situation that often occurs in maintenance. The output on/off key is designed to solve this problem, press the output on/off key to adjust the required voltage and current, which makes this DC power supply more secure
- Upgrade High-precision Encoder Knob: Just "set" voltage and current instead of "adjust". The encoder switch replaces the potentiometer switch, the digits are switched by pressing the knob and each digit can be set in the range 0-9 by turning the knob. Makes work easier and more efficient
- Stable Output, Auto Switch C.C/C.V Mode: This variable DC power supply is a low noise, low ripple adjustable high power continuous output power supply that can work at full load for long periods of time. Constant voltage and constant current modes can be switched automatically
- 4-Digit LED Display, Power Display: 30v 30a DC Power Supply is a professional power conditioning unit with high resolution of 0.01V and 0.001A. The backlit 4-digit LED display of the bench power supply shows the voltage current and power values more accurately and is easy to see even in low light conditions
- Multiple Protection, Intelligent Cooling Fan, Reliable and Safe: The DC power supply has built-in overvoltage protection, overcurrent protection, overheating protection and termination protection. When the operating temperature of the DC power supply exceeds 122°F/50°C, the fan will turn on intelligently to dissipate heat effectively and extend the life of the device. DC power supply has shock absorbing rubber feet at the bottom for safer and more stable use
- CE & FCC Certification, Widely Used: 30v 30a Lab power supplies have passed CE & FCC Certification. This benchtop power supply is suitable for battery charging ( such as batteries with different voltages like 6V, 12V or 24V), labs, schools, electronics repair, electrolysis, electroplating, lamp testing, aging testing, DIY, research and teaching
- Compact Design, Quality Check: The bench power supply measures only 38*24*13cm and weighs only 3kg, saving you more bench space and making it easy to carry around when you need it. Delivery includes: DC power supply *1; American standard power cord *1; English manual; low-power output cable *1; high-power output cable *1. We offer a 12-month repair policy. If you have any questions about our lab DC power supplies, please contact us and we will reply within 24 hours
- Please note: Due to the design of the power supply, the front panel is only suitable for output currents up to 5A. To avoid damaging the power supply or load and output more accurately, connect the high current connector on the back of the unit for output currents above 5A. The back panel can reach the maximum current of the purchased specification: for example, if you purchase 30V 30A, the current can reach 30A by connecting the back panel high-current terminal
SaleNo. 6
DC Power Supply Variable, 30V 10A Bench Power Supply with Encoder Coarse & Fine Adjustments Knob, Adjustable Switching Regulated lab Power Supply with 5V 3.6A USB & Type-C Quick-Charge
- Precise encoder knob: HANGELL DC power supply 0-30V 0-10A is different from the ordinary traditional knob, which is adjusted by precision encoder knob, with high precision and strong stability. With coarse adjustment and fine adjustment, the number of digits can be switched by pressing the knob, and the value can be set by rotating the knob. It is more convenient to adjust the required voltage and current.
- Output switch button: The variable dc power supply is equipped with an output switch button, so you can easily turn on or off the output by pressing the output button. You can check the working status through the indicator light on the display screen. When the output is turned off, the voltage and current data can be adjusted anytime and anywhere, effectively preventing the load equipment from being damaged by forgetting to turn off the output.
- Short circuit alarm: In order to improve the safety of lab power supply and prolong its service life, we designed a short circuit alarm device for DC power supply. After the OCP function is turned on, if the load equipment is short-circuited in the working process, the variable power supply will automatically stop outputting and send a buzzer to remind the user, protecting the adjustable power supply and the load from being damaged. Bench power supply also has safety protection functions such as overvoltage, overcurrent, overtemperature and overload.
- High-precision 4-digit LED display screen: The laboratory DC benchtop power supply is a professional laboratory power supply regulating device with high resolution of 0.01V and 0.001A, providing more accurate voltage and current readings. Constant voltage (C.V)/constant current (C.C.) mode automatically switches with the change of load. You can see the working status indicator on the display. It is clearly visible even under the condition of insufficient light.
- Packaging and after-sales service: The package includes: 1 x variable DC power supply, 1 x input power cord, 1 x output power cord, 1 x user manual. We provide lifelong technical support. If you have any question, please feel free to contact us.
No. 7
DC Power Supply Variable,0-30V 0-10A Adjustable Regulated Bench Lab Power with 4-Digit Display,for Repairing Phones,Computers,Test,Battery Charging,Electrolytic Power Supply,DIY,Sky TOPPOWER PS3010H
- High Precision 4 Digit Display: SKY TOPPOWER 30V 10A DC Power Supply is a professional adjustable power supply regulator;The accuracy can be within 0.01V(10mV) and 0.001A(1mA), and the coarse fine knobs can turn smoothly and show no looseness or wobble,extremely sensitive;so you can easily adjust it within 0-30V and 0-10A
- Automatic Conversion Constant Voltage and Current Mode: The bench power supply constant voltage and current mode could automatically switch with load changes;The conversion of CV and CC is indicated by the LED display on the position below the knob, lf the load current becomes equal to or greater than the preset current limit, the unit will automatically switch to the CC mode and the voltage will drop, if the load current is less than the preset current limiting value, it could be as a constant voltage source
- Safe Reliable to Use: Lab power supply has many multiple protection functions, such as: leakage protection, thermal protection,voltage overload,current limit,short circuit protection and temperature cooling fan, to ensure the performance and extend the life of the device
- Ground Terminal and Anti Reverse Connection Protection: SKY TOPPOWER PS series features grounding terminal and anti-reverse connection protection, double protection for safer operation by the power user, and further enhance better protect your device the power supply from damage
- Widely Application: A reliable power supply with precise and stable output that can be widely used in factory production workshops,scientific research,school education,and high school and college use;Suitable for powering small appliances,charging LiFePO4 batteries or other batteries,laptop computers,powering electric bicycles,lawn mowers,and also a good working partner for electronic engineers for circuit testing, repairing electronic and car, electrolysis projects,load testing,etching tools,testing electronic components and avionics equipment;Nice present choice for DIY hobbyists
- Large Display Screen: Has backlit 4 digit large and segmented display screen, use of high quality red digital tubes, is crisp and bright, easily visible even in low-light conditions;Power supply in the factory is given to the display on the protective film, can better protect the screen, resistant to dirt and not easily damaged
- Compact and Lightweight: The variable power supply is small,takes up very little room on the bench, easily to carry, only 8.70X5.43X4.09 inch and the weigh less than 1.5kg;You can easily and conveniently take it outdoors for work
- What You Get: 1 x SKY TOPPOWER DC bench power supply 30v 10a for laboratory , 1 x Power Cords , 1set x Alligator clip wire, 1 x User Manual（ contact information included)
- Customer Service: SKY TOPPOWER adjustable power supply can provide professional technical support services, if you have any problems or questions about your order, please feel free to contact the SKY TOPPOWER Customer Service via Amazon or email
No. 8
UNI-T UDP3305S Programmable Linear DC Laboratory Power Supply with 4 Channels, 328W, 1mV, 1mA Resolution, Voltage <0.03%+10mV Current <0.2%+5mA Setting Accuracy
- 4CH, CH1/CH2: 0–30V/0–5A, CH3: 0–6V/0–3A, CH4: 5V/2A, Resolution: 1mV/1mA, Watts: 328W, Accuracy: <0.03%+10mV/<0.2%+5mA, USB/RS232/LAN, Digital I/O. Accessories: USB2.0 printing cable, Digital IO Plug, Power cord, Multi-language safety manual, English instructions.
- Using a 4.3-inch high-definition display screen, it provides users with a man-machine interface with rich functions and simple operation, which can display the current set output voltage/current, actual output voltage/current and protection output voltage/current value of the power supply in real time.
- The series-parallel connection between CH1 and CH2 of the main channel can be realized without external connection, which simplifies the connection and makes the test easier.
- With list and delay setting functions, it can set up to 2048 sets of data according to test requirements, and the number of cycles can reach 99999. It is used with waveform templates, which is very convenient for cycle testing and aging testing.
- It comes with rich remote control interface. Comes with excellent performance indicators, a variety of analysis functions and communication interfaces.
No. 9
NICE-POWER DC Power Supply Variable 32V 6A, Adjustable Switching Regulated DC Bench Power Supply with Output Switch, High Precision 4-Digit LED Display, Benchtop Lab Power Supplies with 5V/2A USB Port
- Precise 4-digit LED Display, Auto Power Calculation: NICE-POWER DC power supply 30V 5A upgraded from the original 0~30V/0~5A to 0~32V/0~6A, you can easily tune bench power supply within 0-32V and 0-6A. The DC power supply variable is a professional switching power supply regulation device with a high resolution of 0.01V and 0.001A. The variable power supply features a big bright 4-digit LED display that shows the adjustable power supply output values of Voltage (V) / Current (A) / Power (W) in real-time. The high-definition backlit 4-digit LED display provides an accurate and clear readout for the voltage, current and power values even if you are in low-light condition
- Output Switch Control: Sometimes we need to switch between different voltage or current outputs in experiments or work, but we often forget to turn off the output and causing damage to the load. The adjustable DC power supply OUTPUT (ON/OFF) key is designed to solve this problem, just with a single press of the added OUTPUT (ON/OFF) key, you can easily turn the output on or off. The required voltage and current can be adjusted without actual output power, which makes this benchtop DC power supply more secure and more energy saving. Also, you don't need to remove the load or turn off the power each time, making the variable DC power supply more convenient and efficient to use
- Reliability and Safety: Safety is our priority, all lab power supplies are CE & FCC certified. The adjustable switching regulated power supply is built with premium electronic components and reliable circuit designs that include multiple protection functions, such as leakage, grounding terminal, over-voltage, over-current, over-power, over-load, over-temperature, short-circuit protection to ensure stable working performance and prolong the life of the adjustable DC power supply effectively. Kindly Remind -For safety considerations, the DC power supply comes with only 110V input which meets the US standard voltage. 220V input is NOT available for this bench power supply
- 5V 2A USB Port, Intelligent Cooling Fan: Complaining about mobile phones or repaired devices not being charged in time? The NICE-POWER adjustable DC power supply allows you to avoid this dilemma. The variable power supply has built-in 5V 2A USB charging interface which can quickly charge any USB devices anytime. The adjustable power supply features with intelligent temperature-controlled fan and heat sink for excellent heat dissipation when the working temperature of the switching power supply exceeds 122℉/50℃, greatly reduce working noise and improving the DC regulated power supplies working efficiency and lifespan
- Compact Design, Lightweight and Portable: The DC voltage stabilized power supplies adopt stable vertical design with the shock-absorbing rubber feet on the bottom of bench supply, making it safer and more stable when using. The size of adjustable DC power supply is 8.4*3.3*5.5 inches and the lab power supply weighs only 2.6 lbs, which is very light and portable. You can carry your bench supply in and out of various workplaces
- Various Applications: This benchtop power supply is suitable for battery charging ( LiFePO4, lead acid batteries, etc.), electronics repair, communication equipment maintenance, electrolysis, electroplating, brush plating, lamp test, aging test, burn-in test, production line test, DIY, labs, schools, laboratories scientific research and teaching etc. The NICE-POWER DC power supply is a nice choice for beginners or professional electricians and DIY electronics hobbyist
- Quality Assurance, Customer Service: Purchasing from NICE-POWER, you will get DC power supply variable*1, output power cord*1, input power cord*1, user manual*1, efficient after-sales service, technical support. We will inspect all lab power supplies and accessories before shipment to ensure that the quality of the adjustable switching DC regulated bench power supply received by each customer is good. If you have any questions about our variable power supply, please let us know without hesitation, we will response back within 24 hours
- Stable Output, C.V./C.C. Automatic Conversion: This variable DC power supply is a low noise, low ripple adjustable continuous output power supply that can work at full load for a long period of time. The bench power supply can be used as a constant-voltage (C.V.) power supply and constant-current (C.C.) power supply even when the load is changed. The constant voltage/current mode can automatically switch with load changes, you can check the working status indicator on the LED display
- Front Power Switch, Precise Coarse & Fine Adjustment Knobs: Upgrade from the old-fashion switching power supply, the brand new version power switch is on the front of DC regulated power supplies, you do not need to turn to the back to turn on/off the adjustable switching regulated power supply, easy and convenient to use. The adjustable switching DC regulated bench power supply features with precise coarse and fine voltage/current adjustment knobs, you can set the desired voltage and current on NICE-POWER bench supply effortlessly
No. 10
DC Power Supply Variable,0-30 V / 0-10 A LW-K3010D Adjustable Switching Regulated Power Supply Digital,with Alligator Leads US Power Cord Used for Spectrophotometer and lab Equipment Repair
- ◆【High Precision, Wide Range】LONGWEI DC power supply is a professional power supply regulation device that designed with crystal clear, backlit 3-digit LED display of voltage, current, and power. Precise accuracy: 00.1V and 0.01A. You can easily tune it within 0-30V and 0-10A. Very durable and easy to observe even in low light conditions.
- ◆【High Quality with Essential Safety】Safety is our priority. Grounding wire, The power supply takes the function of limited flow protection, overpower protection, over temperature protection, voltage overload protection. greatly improving its working efficiency and lifespan!
- ◆【Excellent Heat Dissipation】Equipped with a big fan controlled by intelligent temperature control sensor and multiple heat radiation grooves on both sides, Intelligent fan offers excellent heat dissipation effect, which reduces the noise and prolongs the life of product effectively.
- ◆【Various Application】This one weighs less than 2kgs and measures only 2.7*8.6*6.3inches, Applies for laboratory, school, home, electronic repair DIY, aging test and other requirements thanks to complete test probes and output cable with alligator clips.
- ◆【What You Get】1 x K3010D DC power supply, 1 x output power cord, 1 x Input power cord, 1 x test probes, 1 x User manual. (Buy Now Risk-Free with 30 days Free Of Return,we provide 12-Month after sale service, lifetime technical support. Please feel free to contact us if you have any concerns,we will reply to you to solve your problem in 24H.)
No. 11
NICE-POWER DC Power Supply Variable 0~30V 0~10A, 3-Digits LED Display Current and Voltage Adjustable 150W Fixed with Encoder DC Bench Power Supply 15V 10A/30V 5A,Electroplating DIY etc DC Power Supply
- Newly upgraded 150W DC power supply with higher voltage and current: This DC power supply can be freely switched between 15V 10A and 30V 5A. When the current value is set to 10A, the voltage value cannot exceed 15V. If the voltage value is set to 30V, the current value cannot exceed 5A. [The device can only output 150 W, but don't worry, the device cannot be set to output current and voltage values exceeding 150 W.]
- Ultra small size, Ultra full functionality, Cool fan automatic start : This DC power supply is only 10*18.5*8CM in size and weighs less than 1KG. It is lightweight, portable, and compact in design. When you cannot fit a larger power supply, this DC power supply is the most cost-effective choice. The DC power supply cool fan automatic starts, allowing the DC power supply to quickly cool down and extend its service life
- 3-Digit display and Encoder button precise adjustment : The voltage value of the DC power supply is accurate to 0.1V, while the current is accurate to 0.01A. By using the latest encoder buttons, the desired current and voltage values can be accurately adjusted. Just "set" the voltage and current, not "adjust" them. You can press the voltage and current encoder knobs to select the number to be adjusted, and then rotate the knob to set the value between 0 and 9. Each number can be easily set through a precise encoder knob. Encoder switches have replaced potentiometer switches, making your work easier, more accurate, and more efficient
- Instructions for use: (Please note: That when the DC power supply is too hot, please stop using it and wait for it to cool down before use to prevent irreversible damage to the DC power supply.)
- Wide range of input AC voltage: The input AC voltage is 100V~240V of NICE-POWER DC power supply model is SPS-E3010, and the frequency is 50~60Hz±10%, which meets the use of more than 90% of the countries and regions in the world. No matter where you are, you can use this DC power supply safely without the use of a transformer, which is safer and more secure
- High quality products and efficient after-sales service: When you purchase a DC power supply, you will receive 1*DC power supply, 1 * Output Power Cords , 1* Input Power Cord, and 1*user manual. We offer a after-sales service and 24-hour technical support. If you have any questions, please contact us without hesitation
SaleNo. 12
DC Power Supply Variable, 30V 10A Adjustable Switching Regulated DC Bench Power Supply with Intelligent Charging Mode, 18W USB Interface, Precision Encoder Knob (Black)
- Intelligent Charging and Safety Detection: Our DC power supply features intelligent charging mode. The real-time display of charging power (Ah) keeps you informed of the battery status. Worried about overcharging? Rest easy knowing our power supply stops charging when your battery is full. With built-in detection of incorrect connections, ensuring safe and reliable charging.
- Overcurrent Detection Alarm: Easily activated with the 'OCP' button. Detects short circuits and overcurrents, triggering an alarm and stopping output to protect connected devices.
- Compact and Various Application: This DC power supply is less than 2.3 lb and measures only 7.59 x 3.35 x 6.1 inches, applies for laboratory, school, repair, electrolyzation, electroplate, brush plating, lamp test, aging testing, battery charge, home DIY and other requirements. 18W USB port Quickly charge your devices with high-speed 18W output for efficient charging, no worry about running out of power.
- Reliable and Safety: many safety measures are adopt in Kungber lab DC power supply - Grounding wire, Leakage protection,Thermal protection, Voltage overload protection, Power overload protection and Short-circuit protection. Kungber power supply use premium electronic components, provide reliable working status and prolong the life of product effectively. When the working temperature is more than 122℉/50℃,the intelligent thermal protection will active the cooling fan to lower the temperature
- What You Get - 1 x Kungber SPS3010 Variable DC Power Supply, 1 set of Output Power Cords , 1x Input Power Cord, 1 x User Manual, and Technical Support from Kungber.
No. 13
ITECH Bench Programmable AC Power Supply 300V/3A/300VA Lab AC Power Source IT-M7721L
- IT-M7721L: Voltage: 0-300V; Current:0-3A; Power: 0-300VA; Resolution: 0.1V/10mA; Accuracy: ≤0.03%+12mV/ ≤0.05%+20uA; Interface: Optional RS232/CAN/LAN/GPIB/USB/external analog
- 1U Half-Rack Mini Size: The size of IT-M7721L variable ac power supply is only 1U Half-Rack, but its max. power is up to 300VA. Its weight is 10LB only. With such high-power density design, the space is better utilized. So it can be portable, convenient for bench testing and good for system building.
- Multiple Output Modes: The output modes of the AC/DC power supply include AC, DC, AC+DC. It can not only provide pure AC or DC output but also AC+DC output mode which can expand application fields and test DC offset element.
- Built-in AC Power Meter: This function can accurately measure and display 12 parameters on the screen, including rms voltage, rms current , output frequency, active power, power factor, etc. There is no need for additional power meter, so it can not only reduce test cost but also get rid of the complex connection operation.
- Comprehensive Protection: IT-M7721L bench ac power supply provides comprehensive protection , including OVP rms, OVP peak, UVP rms, OCP rms, OCP peak, OCP delay, OPP, OTP and smart fan dysfunctional protection.
- Package contents: IT-M7721L lab ac power supply, Power Cord, Ex-Factory Test Report
SaleNo. 14
Elenco AC/DC Triple Output Power Supply Kit
- Build an AC/DC Triple Output Power Supply, useful anywhere precise DC voltage is required
- Features three fully regulated solid-state power supplies
- Ideal for use in school labs
- Made in the United States
- For 30 years Elenco has been using their strong engineering and design skills to develop reliable, affordable electronic test equipment, tools, and educational kits
SaleNo. 15
DC Power Supply Variable,Lab Bench Power Supply Adjustable 30V 5A 3 Digital Display,for Circuit Test,Electrolysis,DIY Electronics Testing, Battery Charging,Repairing,Researching,SKY TOPPOWER STP3005
- Entry Level DC Variable Power Supply : SKY TOPPOWER 30V 5A adjustable power supply with high accuracy : 0.1V(100mV) and 0.01A(10mA) regulated power supplies; Make it more convenient to set your desired voltage and curren in the range of 0-30V and 0-5A; 3 LED digital display lab power supply with alligator clip leads; Please go to visit our video if not know how to preset the current and voltage
- Grounding Wire and Anti-reverse Connection Protection: SKY TOPPOWER dc power supply variable has unique function: grounding wire and anti-reverse connection protection; Double protection for the safety of the operator, but also to protect the equipment and power supply; Increased safety and reliability of equipment
- Multiple Protections: DC power supply has Thermal protection,Limit current protection,Voltage overload,Short-circuit protection to better protect your device from damage,ensure the safety; Built-in fan reduce the operation noise,prolonging the life of product effectively
- Constant Voltage and Current Mode: The bench power supply constant voltage and current mode could automatically switch with load changes; if the load current is less than the preset current limiting value; it could be as a constant voltage source; lf the load current becomes equal to or greater than the preset current limit, the unit will automatically
- Widely Application: Suitable for students, DIY electronics enthusiasts, factory workshops, laboratory technicians and other workers to use; for the lab,electronic equipments maintenance,products line, car repair and battery charging,anodizing,scientific research and teaching,Great present choice for DIY hobbyist
- Compact and Lightweight: The SKY TOPPOWER STP-series power supply is made even more compact, measuring only 8.89(D)x3.3(W)x5.5(H)inches and weighing approx. 2.75lbs, small volume, light weight,which can greatly save valuable space on your workbench and easy to carry
- Customer Service: SKY TOPPOWER DC Power Supplies can provide professional technical support sevices, 7/24 customer service provided; Please contact SKY TOPPOWER Team for any questions on using the PSU
SaleNo. 16
NICE-POWER DC Power Supply Variable, 30V 5A Adjustable Switching Regulated Power Supply with Encoder, Upgraded 3-Digits LED Display, Mini Regulated DC Bench Power Supply
- Upgraded High-Precision Encoder Knob: Just "set" Voltage and Current instead of "adjust". You can press the Voltage and Current encoder knob to select the Digit you want to adjust, then rotate the knob to set the value from 0-9. Each Digit can be set easily by the accurate encoder knob. The encoder switch replaces the potentiometer switch, making your work easier, more accurate and efficient
- Precise 3-Digit LED Display: The NICE-POWER DC bench power supply has a resolution of 0.1V and 0.01A, and you can easily adjust it in the range of 0-30V and 0-5A. The 3-digit back-lit LED display provides more accurate and clearly visible readings for the voltage and current value, even in conditions of low voltage
- Small and Diverse Applications: Worried about the bulky power supply? This compact and sophisticated DC power supply weighs much less than a laptop at just 1.54 pounds, saving more space on your workbench. And you can use it in various scenarios such as laboratory, battery charging ( LiFePO4, Lead Acid Battery), repair, electrolysis, burn-in test, electroplating, brush plating, electronic DIY, etc
- Safe and Reliable to Use: Safety is our priority. The DC power supply is FCC/CE certified. When the DC power supply is powered on, the built-in fan will start working in order to effectively dissipate the heat to extend the service life, low noise and low ripple. The power supply is durable and compact. Productive work since the power supply comes multiple protection of Over-voltage, over-current, over-power, over-temperature, short-circuit powerful protection function
- Packaging and After-Sales: 1 x DC Power Supply, 1 x Power Cord, 1x Output Load Cord, 1 x User Manual. The variable dc power supply size is 6.5*4.0*3.2 inch, Weight is 1.54lb. You can easily take the DC power supply to work. We provide a 12-month repair policy. If you have any technical questions about our power supply, please do not hesitate to contact us
- Please note: This DC power supply input voltage range is 100~240V and can be used with 110V and 230V conditions
No. 17
FEITA C305 DC Power Variable Supply Adjustable 30V 5A High Precision Bench Lab Power Supplies Programmable with Output Switch, 5V/2A USB Interface for Anodizing & Electroplating Kit
- [4-Digit Power Precision Display]: FEITA 30V 5A DC desktop power supply is a professional power supply regulation device that has a high resolution of 0.01V and 0.001A. You can easily tune it within 0-30V and 0-5A. The backlit 4-digit LED display provides a more accurate readout for the voltage and current value, visible easily even in the low-light conditions.
- [Accurate Encoder Knob]: Just "set" Voltage and Current instead of "adjust". You can press the Voltage and Current encoder knob to select the Digit you want to adjust, then rotate the knob to set the value from 0-9. Each Digit can be set easily by the accurate encoder knob. The encoder switch replaces the potentiometer switch, making your work easier, more accurate and efficient.
- [Safety & Reliable]: Many safety measures are adopt in DC power supply have Leakage, Overload and Short-circuit, Anti-static, Thermal protection. This power supply use premium electronic components, provide reliable working status, and prolong the life of the product effectively. When the working temperature is more than 122℉/50℃, the intelligent thermal protection will active the cooling fan to lower the temperature. Also have memory value for 5 seconds after power off function.
- [Output Switch Auto-Control]: Sometimes we need to switch between different voltage or current outputs, but we often forget to unplug the previous instrument and cause to burn out, which often occurs in the maintenance. Output switch is designed to solve this problem. By pressing the OUTPUT key, the required voltage and current can be adjusted without the actual output power, which makes this benchtop DC power supply more secure and more energy saving.
- [Compact & Various Application]: Bench DC power supply is less than 3 lb and measures only 8.7 x 3.4 x 6.2 inches, applies for laboratory, school, repair, electrolyzation, electroplate, brush plating, lamp test, aging testing, battery charge, home DIY and other requirements. 5V/2A USB Interface could charge your cellphone and provide power for the device which you want to repair, no worry about running out of power.
No. 18
NICE-POWER DC Power Supply Adjustable Variable 3-Digital LED Display Adjustable Regulated Switching DC Lab Bench Power Supply Digital (30V 10A Black)
- 2024 New Upgraded Precision Encoder Knob: Unlike ordinary potentiometer knobs, the encoder knob on this variable 30V 10A DC power supply helps you set the desired value more precisely. Simply press the knob to switch each digit, then rotate the knob to set each digit in the 0-9 range.
- High Precision and Screen Protection Film: The DC power supply variable has resolutions of 0.1V and 0.01A, and the DC power supply has adjustable ranges of 0-30V and 0-10A. The 3-digit backlit LED display provides more accurate and clearer readings of voltage and current values, even in low light conditions. To prevent damage to the DC power supply screen, the DC power supply has a protective film on the display.
- Multi-protection, automatic cooling fan: DC power supply has current limit protection, thermal protection, voltage overload protection, short circuit protection, etc. When the internal temperature of the DC power supply reaches 122℉/50℃, the fan of the power supply will automatically turn on, and when the temperature drops, the fan will automatically stop, which can effectively extend the service life of the DC power supply.
- Diversified applications: The DC power supply variable is suitable for laboratory, school, maintenance, electrolysis, electroplating, brushing, lamp testing, aging test, battery charging, home DIY, etc. 5V/2A USB port can be used to power cell phones or other electronic devices, very convenient.
- Stable vertical design, lightweight: DC power supply adopts stable vertical design, the rubber feet of shock absorber are at the bottom of DC power supply, which is safer and more stable when using. The size of DC power supply is 8.8 x 3.7 x 5.7inch（22.4*9.4*14.5cm）and weight 2.8lb（1.2kg）, very light and small, you could easily carry DC power supply in and out of various workplaces.
- Packaging and After-Sales: You will get 1*variable power supply, 1*output cable, 1*US standard power cable, 1*user manual, and 12 months repair with the purchase of DC power supply. If the DC power supply is damaged during the repair period, we will provide repair service. If you have any questions during use, you can contact us at any time and we will contact you as soon as possible.
SaleNo. 19
KORAD KA3005P - Programmable Precision Variable Adjustable 30V, 5A DC Linear Power Supply Digital Regulated Lab Grade…
- ◆ HIGH PRECISION INSTRUMENT WITH MANY UNIQUE FEATURES - Very Easy setup with a rapid adjustment knob. There are buttons to switch to course or fine adjustment and a button to switch to voltage or current selection. The input voltage is switchable between 110/220 Volts for use in all countries. It has 4 Memory Recall buttons so you can save time setting up the supply to your required conditions.
- ◆ 4 DIGITS READINGS WITH BACK-LIT LED DISPLAY - With a 0.001V and 0.001A resolution, 4 digits provide more accurate and clearer visible readout for the voltage and current values with only 1 knob, extremely durable and easily visible even in low-light usage, meeting the needs of most people, ideal for business, small labs or the hobbyist at home.
- ◆ HIGH-QUALITY WITH ESSENTIAL SAFETY - Grounding wire, thermal protection, voltage and current overload and short-circuit protection ensure the safety. The built-in quiet variable fan reduces the operational noise and prolongs the life of product. There is a load on and off button so you can safely connect your load to the supply. There is also a lock button to prevent accidental changes.
- ◆ CONSTANT VOLTAGE & CURRENT OPERATION MODE - Easy to dial in the desired voltage with the encoded-controlled adjustment knob and then you choose the mode with one of the constant buttons.
- ◆ PROGRAMMABLE CONTROL - USB & RS232 ports for remote control of the power supply. Software is included
- ◆ WHAT YOU GET - 1 x Korad KA3005P Power supply , 1 x power cord , 1x Set of 5 Amp test leads, 1 x User manual
No. 20
UNI-T UDP3305S-E High-Performance Programmable Linear DC Power Supply, 4 Channels, 30V 5A Bench Power Supply, Adjustable Regulated Laboratory Power Supply, 4.3” TFT Display, Shipping from US
- 4 Channels independent output: CH1CH2:0-30 V/5 A,CH3:O-6 V/3 A,CH4: 5 V/2 A, The total power is 328 w, and the outputs of each channel are individually controllable
- The 4.3-inch TFT display can display three channels and multiple parameters at the same time,High precision display of five-digit voltage / four-digit current, with resolutions of 10 mV/1 mA
- One click parallel series connection mode between main channels CH1 and CH2, without the need for external connections, making operation simpler
- Excellent load regulation and line regulation. Supports linear programmable functions such as voltage and current
- Multiple protection: equipped with overvoltage/overcurrent/over temperature protection, with keyboard lock function to prevent accidental operation
- Provide USB host, USB device,LAN，RS232, Digital I/O and other interfaces.Support SCPI remote command control
- What you get：UDP3305S-E Programmable linear DC power supply x1, Power cord x1. USB2.0 dual head printing cable x1. User manual download guidex1. Box x1
- This product is suitable for industrial control, hardware development and maintenance, scientific research, teaching, and laboratory fields, and can meet diverse testing needs
How to choose a good science lab power supply units
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Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.
These are the standards by which we selected our science lab power supply units. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.
Why should you believe us?
There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what science lab power supply units should you purchase in 2022?
This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on science lab power supply units.
