Are you trying to find 18650 chargers 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 18650 chargers 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 19 hours of research and did 46 18650 chargers 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 18650 chargers you can buy today
- 2-Bay Battery Charger: Our rechargeable battery charger is made of fire-retardant PC material with excellent heat dissipation and electronic circuit design. Intelligent circuit to prevent short circuit, over voltage, automatic stop charging after fully charged.
- Intelligent LCD Display: This 18650 and AAA/AA battery charger with large screen can display charging voltage, charging current, charging time, battery type, battery power percentage, and understand the charging data easily.
- Adjustable Charging Speed: Switch between 0.5A/1A/2A fast charging as you need. Note: The adjustable charging speed only applies to lithium batteries. for Ni-MH batteries, the charging speed is 0.5A. With a USB input cable, you can use a laptop, cell phone charger, car charger, etc. to charge the battery.
- Universal Battery Charger: This multi-bay battery charger is fully compatible with 3.7V lithium battery and 1.2V Ni-MH/Ni-CD battery. Includes: 10400/14500/14650/16340/18350/18500/18490/18650/20700/21700/22650/26650/26700/AA/AAA/AAAA/C/SC.
- What You Get: You will get 1* 2 slot battery charger, 1* charging cable, 1* user manual. If for any reason you are not satisfied with your purchased product, please contact us for a refund or replacement.
- INTELLIGENT UNIVERSAL CHARGER:The Battery Charger can charge simultaneously rechargeable batteries of different specifications.Suitable for 3.7V Li-ion rechargeable batteries 26650,18650,21700,18500,18350,14650,16650,16340,14500,10440
- CONVENIENT CHARGING INTERFACE:USB charging help travelers can charge lithium ion batteries anytime anywhere, especially when you don’t have enough outlet,you can even simply plug into your laptop or other device
- INTELLIGENT CHARGING:The charger can automatically select the best charging current and support 2-slot simultaneous independent charging.Intelligent LED charging status indicator, when the battery is full, it changes from red to green and the charger will automatically stop charging
- SAFE CHARGING:Safe and fire prevention PC+ABS material Battery Charger, with heat-resisting, low temperature resistance and scratch resistance;the battery will not be over-charged and over heat
- PREMIUM SERVICE: If you have any questions, please tell us at first time. We will provide professional service to solve your problems. There is a totally risk-free purchase
- 【WIDE COMPATIBILITY】: The Fast 18650 Charger Is Compatible With All 3.7v Lithium Batteries And 1.2v Nimh/Nicd Aa Aaa Batteries. Smooth And Durable Stainless Steel Rails For Cell Lengths From 34mm To 75mm
- 【SMART LCD DISPLAY】;Lcd4 18650 Charger Monitors Detailed Real Battery Condition, Time Per Charge/Charging Capacity, Battery Voltage, Charging Progress %, Battery Type, Charging Speed To Identify The Real Capacity Of The Battery
- 【SAFELY ADJUST CHARGING SPEED】: Switch Between Slow/Medium/Fast Charging As Needed, Shorten Charging Time By Up To 35%, Intelligent Circuit To Prevent Short Circuit, Overheating, And Overvoltage，Automatic Stop When Full
- 【18650 BATTERY CHARGING TIME】: 2.3 Hours Full Lithium Ion Panasonic Ncr18650b 3400mah, 3.5 Hours Full 21700 Battery 5000mah, 0.5 Hours Full Amazonbasics 800mah AAA Battery,1.5 Hours Full Eneloop 2500mah AA, 1.5 Hours Full 3.6v 2500mah Lithium Ion High Power Consumption Lg He2
- 【UNIVERSAL CHARGER】: Universal Usb Interface, You Can Use Solar Charger, Mobile Power, Computer, Car Charger, Usb Wall Charger, Etc. To Charge 18650 Batteries Anytime And Anywhere. Best 18650 Battery Charger 4 Slots, Suitable For Home Or Outdoor
- 🔋UNIVERSAL CHARGER FOR: Li-ion LiFePO4 IMR INR ICR 25500 22650 𝟏𝟖𝟔𝟓𝟎 18490 18500 18350 16340 RCR123A 14500 10440 Batteries, Ni-MH Ni-Cd A AA AAA AAAA SC Batteries.
- 🔋HIGH QUALITY: Compliant standard - UL CUL CE TUV GS PSE FCC RoHS C-TICKCB. Built-in intelligent circuits protection to protect the battery safety charged.
- 🔋LCD DISPLAY: LCD display to monitor the four slots information. Each battery parameter such as voltage (V), current (mA), time (h) can be showed independently by pressing the A/B/C/D button.
- 🔋MULTI CHARGE OPTIONS: 4 independently bay, 2 charge curent (500mA,1000mA) to meet your various needs; Black and grey are just different in color to meet your multiple aesthetic.
- 🔋SAFETY: Protection of overcharge, over-discharge, short circuit and reverse polarity.
- Lithium Battery Charger :Compatible with 3.7v li-ion rechargeable batteries. Such as Li-ion: 18650 26650 22650 14500 16340(RCR123) 10440 17670 18490 17500 17335
- 6 bay 18650 Charger :6 charging channels can charge the battery independently.6 slots can be adjusted according to different battery sizes
- Safety Protection :Perfect protection function:under voltage protection,over voltage protection,over current protection,over temperature protection,short circuit protection,anti-reverse battery protection, Zero Volume Battery Repair and excellent heat dissipation design
- Output: 4.2V ± 1% :The charging time of 18650 battery charger depends on the capacity of the battery
- Input: USB 10v :Universal in the world; Whether you are using it at home or traveling abroad, this universal charger can charge your batteries well and make you feel free to travel
- FAST AND EFFICIENT CHARGING- Reach a maximum total of 2000mA when using a 2A output USB power adapter. Connect a quick charge (QC) power adapter for high speed charging and reach a single slot max output of 3000mA.
- LCD DISPLAY- Reports key realtime information such as battery health, charging status and charging mode.
- INTELLIGENT CHARGING- Automatically selects appropriate charging current and voltage.
- BATTERY TYPES & SIZES - Compatible with various battery types (li-ion/imr/lifep04/ni-cd/ni-mh) and common battery sizes including (18650, 21700, 16340,14500 and more).
- PERFECT FOR TRAVEL AND EDC - This bundle includes a LumenTac battery organizer to keep you organized when you are on the go.
- Universal 18650 Battery Charger: Can charge for different types of DC cylindrical 3.7v lithium ion battery 18650,10440, 14500, 16650, 14650, 18350, 18500, 16340, rechargeable batteries.(For use with IMR/18650 rechargeable battery lithium 3.7 volt only. Do not attempt to charge primary cells such as Alkaline, Zinc-Carbon, Lithium, CR2 or any other unsupported chemistry)
- 18650 Battery Charger : Has independent charging channels, automatically select the optimum charge current, supports simultaneous independent charging without affecting.Can charge four lithium ion battery 3.7v 18650 at the same time and can charge two 26650 batteries at the same time.(The 18650 battery and charger is battery included)
- Charging Display: This 18650 smart charger with Red/Green led light display, And the rechargeable battery charger 18650 will display the status of each rechargeable battery when charging, Automatically detects battery power status and displays charging progress, and automatically stops charging when complete
- Safety Protection: Comes with special charge and discharge management circuit. With multiple security protection settings, the 18650 balance charger can effectively prevent reverse, short circuit, overcharge, over discharge, over-current damage to the battery, which makes users using the product without any safety concern
- Fast Charging: This18650 fast charger charges different type 3.7v lithium ion battery 18650 .simultaneously. 18650 Charger charging current up to 4.2V 2A max. Rechargeable battery charger 18650 automatically select the optimum charge current. Supports simultaneous independent charging without affecting
- 【Wide Compatible】POWXS universal 3.7v battery charger can freely charge 1 or 2 pieces 18650 18490 18350 17670 17500 16340(RCR123) 14500 rechargeable battery or Ni-MH/Ni-CD rechargeable AA AAA batteries.
- 【Faster Charging】Charging current up to 1000mA, 3000mAh 3.7v battery will be fully charged in 3hours. Saving your waiting time.
- 【Smart LCD Display】Independent slot charger with LCD display, shows the real time charging status for you clearly: Charging - battery icon keep flashing, Fully charged - battery icon solid.
- 【Convenient USB】The intelligent battery charger comes with worldwide usage USB input, applicable for 5V/2A power bank, computer, car charger, USB wall charger, etc.
- 【Safer with Multiple Protection】With advanced MCU control system, intelligent △V and -△V cut-off charging tech, the charger turns to trickle charging automatically to prevent the batteries from over-voltage, over-current and over-heat.
- 2025 New Year Gift, 8-Bay Battery Charger: Our chargeable battery charger is made of PC Fire retardant material with excellent heat dissipation and electronic circuit design. When battery is reversed or short-circuited, it will show error symbol. After battery fully charged, it just sopped charging automatically. If the battery is over discharged, our smart charger can even activate this battery. If it is damaged, LCD display will show error and stop charging
- Universal Battery Charger: Multi-bay battery charger is fully compatible with Li-ion /IMR /INR /ICR /LiFePO4(3.6V): 10340, 10350, 10440, 10500, 12340, 12500, 12650, 13450, 13500, 13650, 14350, 14430,14500, 14650, 16500,16340(RCR123), 16650, 17350, 17500, 17650, 17670, 18350, 18490,18500,18650,18700, 20700, 21700,(Support battery up to 73mm long) 22500, 22650,25500, 26500, 26650; Ni-MH / Ni-Cd(1.48V): AA, AAA, AAAA, C,SC. Dual power input with DC 12V/3A (support car charge, but not included)
- Fast Charging, Easy to Use: This Intelligent battery charger charges 8 rechargeable different type of cylindrical batteries simultaneously. You can set the single-channel charging current up to 1.5A max. Automatically/manually select the optimum charge current. Supports 8-bay simultaneous independent charging without affecting
- Multi-Functional LCD Display: This 18650 and AAA AA battery charger with large screen display can show voltage,current,charging time,mode,battery type,internal resistance and battery capacity that charged, easily to understand the charging datum. The LCD back-light will become dark after 1 minutes without any operation
- Birthday Gift Choice: Package includes 1* battery fast charger(without battery), 1* power adapter, 1* user manual. One of memorable presents that you can give
- Note: It can auto detect Li-ion(4.2v) and Ni-MH/Ni-Cd(1.48v), but you need to select set battery type when charging Li-ion(4.35v) and LiFePO4
- [Wide Compatibility] - Compatible for 3.7V/3.6V Li-ion Lithium-ion IMR INR ICR 10440/14500/14650/RCR16340/16650/17500/17650/17670/18350/18490/18500/18650/20700/21700/21750/22700/26650/26700 rechargeable batteries and Ni-MH/Ni-Cd AA AAA rechargeable batteries.
- [Fast Battery Charger] - The upgraded TC2S universal battery charger features a charging current of up to 2000mA (max) for a single lithium battery, 1000mA for 2pcs lithium batteries, and 500mA for 2pcs ni-mh/ni-cd batteries. effectively charging batteries, saving your time.
- [Smart LED Indicator] - This lithium ion battery charger with intelligent LED light not only has the capability to detect faulty/non-rechargeable batteries but also identifies lithium batteries and nimh/nicd batteries. Additionally, it can show its charging progress, when 3 LED lighting together means the battery is fully charged.
- [0V Activation Function] - The TC2S battery charger is capable of activating rechargeable batteries that have been over-discharged and equipped with protection boards.
- [Safety Guarantee] - Advanced MCU control and -∆V function, over-heat and over-current protection, short-circuit protection, over-voltage protection, over-discharge protection, non-rechargeable, and defective battery detection.
- Note: No Battery Only Charger. Only for Lithium -ion Rechargeable Battery,Not AA or AAA Battery,Not NiMH Battery. Li-ion Universal Charger: Suitable for flashlight headlamp batteries. Compatible with 3.7v li-ion rechargeable batteries. Such as Li-ion: 𝟣𝟪𝟨𝟧𝟢 26650 22650 14500 16340(RCR123) 10440 17670 18490 17500 17335
- 4 Slot Smart Charger: 4 charging channels can charge the battery separately.4 slots can be adjusted according to different battery lengths
- Safety Protection: Perfect protection function:under voltage protection,over voltage protection,over current protection,over temperature protection,short circuit protection,anti-reverse battery protection, Zero Volume Battery Repair and excellent heat dissipation design
- Output: 4.2V ± 1%: The charging time depends on the quality of the battery
- Input: AC100-240V: Universal in the world; Whether you are using it at home or traveling abroad, this smart charger can charge your batteries well and take it to travel
- This charger recharges lithium, NiMH and NiCd batteries. The electronics detect the inserted battery
- Adjusts the charging behavior. The LEDs indicate the charging status of each battery in
- After charging the Intelicharger switches i2 automatically. Capable of charging 2 batteries simultaneously
- Each of the four battery slots monitors and charges independently. Automatically identifies Li-ion, Ni-MH and Ni-Cd rechargeable batteries
- 3 Color LED displays charging progress for each battery. Automatically detects battery status and selects the appropriate voltage and charge mode
- Capable of charging 2 batteries simultaneously
- Each of the four battery slots monitors and charges independently
- Automatically identifies Li-ion, Ni-MH and Ni-Cd rechargeable batteries
- 3 Color LED displays charging progress for each battery
- Automatically detects battery status and selects the appropriate voltage and charge mode
- PD4 Universal Charger: For 3.7V/3.6V/3.85V Lithium ion/IMR/INR/ICR 3.2V LiFePO4 rechargeable batteries 18650/26650/21700/10440/14500/14650/RCR16340/16650/17500/17650/17670/18350/18490/18500/20700/22700/26700/32650/32700, 1.2V Ni-MH Ni-Cd rechargeable AA AAA C SC D.
- Multi-Functional 18650 Battery Charger: Designed with Discharging Function, Capacity Test Function, '0'V Activation Function, Auto-Cut Off Function, Adjustable Charge Current, and Auto-identify Battery Types, can make rechargeable batteries maximize their best capacity.
- Fast Battery Charger: The battery charger with 4 individual speedy charge slots, and MAX charge current of channels 1 and 4 up to 2000mA is 4 times faster than a normal lithium charger. Charging the 3000mA 18650 battery just take less than 2 hours.
- Smart LCD Screen: The rechargeable battery charger with a large LCD screen, not only shows real-time comprehensive and accurate information on battery charge status, but also the battery type and charge time.
- Safety Guarantee: The smart battery charger with over-charging protection, over-current protection, over-voltage protection, over-heat protection, short-circuit protection, and reverse polarity, make sure your safe charging.
- Type-C Input: In addition to the 5V 2A input, the EBL PD4 battery charger also supports 3A 5V, and 2.2A 9V input.
- Universal Charger for: Freely Charging 1 or 2 Pcs Li-ion IMR INR ICR 18650 18490 18500 18350 17670 16340 RCR123A 14500 10440 Batteries.
- Smart LED display, The 2 slot charger will charge the lithium batteries when plug in,and the indicator light display in red, then turn into green after fully charged.
- The charger uses the MCU control technology, providing the constant current and constant voltage safety model
- High quality 18650 battery charger with multi protection - more safety for you and your batteries.
- USB Input with small but durable body, you can charging your batteries with USB adapter, car charger, power bank, anywhere you want to go.
- FAST AND EFFICIENT CHARGING- Reach a maximum total of 4000mA for two slots, 3000mA for one slot when pairing with a 9V QC2.0+ output USB power source. Reach a maximum 1000mA charging current per slot when paring with a standard 5V/2A USB source.
- LCD DISPLAY- Reports key realtime information such as battery health, charging status and charging mode.
- INTELLIGENT CHARGING- Automatically selects appropriate charging current and voltage to protect the batteries and prolong its lifespan
- BATTERY TYPES & SIZES - Compatible with various battery types (li-ion/imr/lifep04/ni-cd/ni-mh) and common battery sizes including (18650, 16340,14500, rechargeable AA, AAA).
- PERFECT FOR TRAVEL AND EDC - This bundle includes a LumenTac battery organizer to keep you organized when you are on the go.
- Adopt negative voltage control technology to improve charge efficiency and integrated intelligent power management system
- High definition LCD displays real time charging status, Two sets of led indicators show independently when charging, making the charging process visible status and stopping once completing charge intelligently
- Temperature protection: Stop charging automatically if the temperature of charger or battery gets too high when charging. Stainless steel rail is more durable and smooth. Worldwide voltage, suitable for the whole world, car adapter is available. New enhanced USB-C fast charge port
- Compatible for Li-ion batteries 18650 18490 18350 17670 17500 16340(RCR123) 14500, 1.2V Ni-MH/Ni-Cd A AA AAA batteries and 3.7V lithium battery and so on
- Snado Intelligent Charger - We guarantee the quality before the item ships, 2 Years Free Replacement. If you are not satisfied with your purchase for any reason, please contact us. We will provide you with a refund or replacement
- 1. 18650 battery charger XTARV C8 Charge max 8 pack protected 21700 Batteries simultaneously, can Charge 8 different sizes rechargeable li ion 18650 20700 or 1.2V Ni-MH AA AAA C batteries at the same time(Not including any battery)
- 2. Come with QC3.0 wall charger,max 3A current for a single slot of CHI /CH8 when the battery resistance is low enough. The VC8 charger also has 5 optional currents (3A 2A 1A 0.5A 0.25A) for users to choose
- 3. In grading mode (for CH1-CH4), the charger tests batteries’ real capacity by “charging-discharging-charging” the batteries, so that users can know whether the battery capacity is overstated or not, and also distinguish good-performance batteries with the bad ones
- 4. Built-in high-precision MCU and real-time temperature control protection system, prevent over-current, over-charged, over-voltage, and short-circuit,it will automatically stop charging after fully charged batteries, safe and worry-free
- 5. Package list: VC8 Charger(not included batteries), QC3.0 wall charger(Black ), USB C Cable
- UNIVERSAL CHARGER--The Battery Charger can charge simultaneously rechargeable batteries of different specifications (18650,26650,18500,18350,16650,16340,14650,14500,10440)
- ADJUSTABLE SLOT--The 10 slots can be adjustable for different battery length;the battery will not be over-charged and over heat.10 Bays Universal Charger for Flashlight Headlamp Battery.
- INTELLIGENT CHARGER--Battery Charger will stop charging automatically when battery was fully charged.
- INTELLIGENT CHARGER--Battery Charger will stop charging automatically when battery was fully charged.
- 【Durable rechargeable】3400mAh 18650 Rechargeable battery large capacity,Which can be widely used for electronic devices, such as LED flashlights, emergency lights, portable devices, headlights, toys, remote controls, etc.Recharge up to 1050 cycles - longer battery life than alkaline batteries, No need to buy batteries frequently.
- 【Battery Charger】The USB cable can be charged, can be connected to cell phone chargers, computers, rechargeable batteries, etc. for charging, simple and convenient. two-color LED indicator, red light is on when charging, green light is on when full, intelligent full self-stop.
- 【Product parameters】 Standard voltage: 3.7V, charging voltage: 3.7-4.2V, minimum discharge termination voltage: 2.75V, maximum charging termination voltage: 4.2V.
- 【What you get】 1 x Safe One-Bay Battery Charger, 4 x 18650 Rechargeable batteries (3400mAh), 1 x 2.1 USB charging cable, 2 x storage case and 1 x instruction sheet,All products will be checked one by one before being sent to Amazon warehouse, please rest assured to shop.
- 【After Sales Service】If there is any problem with the product please feel free to contact us, we will provide you with a solution within 24 hours.
- 【Safe and Universal】UNIVERSAL BATTERY CHARGER--Can charge for different types ofrechargeable batteries
- 【Multiple protection】Comes with special charge and discharge management circuit. With multiple security protection settings, the charger can effectively prevent reverse, short circuit, overcharge, over discharge, over-current damage to the battery, which makes users using the product without any safety concern
- 【Charging display】This Battery charger with Red/Green led light display, And the charger will display the status of each rechargeable battery when charging, Automatically detects battery power status and displays charging progress, and automatically stops charging when complete
- 【Customer Service】If there are any questions or quality problems please feel free to contact us for more support
- Compatible Devices: Rechargeable battery for flashlights, headlights, fans, digital cameras, children's toys, radios, speakers, surveillance equipment
How to choose a good 18650 chargers
Does the idea of finding a fantastic 18650 chargers make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!
Your presence here indicates that you are interested in 18650 chargers. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top 18650 chargers products available right now. You might be wondering how we came up with the list. How was this buying guide developed?
First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top 18650 chargers on the market right now!
The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:
Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top 18650 chargers brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.
Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top 18650 chargers based on those.
Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.
Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.
Customer ratings: Would it be accurate to suggest that the 18650 chargers were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.
Customer Reviews: Like ratings, provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.
Seller Rank: This is very intriguing! Not only do you need a good 18650 chargers, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.
Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your 18650 chargers.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting 18650 chargers for months and years to come.
Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.
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 18650 chargers. 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 18650 chargers 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 18650 chargers.
