Are you trying to find 400 watt inverters 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 400 watt inverters 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 27 hours of research and did 31 400 watt inverters 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 400 watt inverters you can buy today
- Introducing our upgraded Ampeak 400W power inverter, designed with your convenience and safety in mind. Enjoy continuous power for your electronics and appliances on the go with 400W of power
- With two fast-charging 2.4A USB ports and two AC outlets (110V), you can charge multiple devices simultaneously, ensuring you always have enough power on the go
- Advanced Safety Features: 11 safety features to protect your devices and inverter from overload and overcurrent
- Optimal cooling technology: Two smart, quiet cooling fans start automatically if the load exceeds 280W or the temperature exceeds 104℉, ensuring efficient temperature control and optimal performanceore and carry. Ideal for use on long car trips, family vacations, and camping. A nearly 26-inch cigarette lighter plug makes the power inverter suitable for almost any vehicle.
- Our inverter is built to last, with high-quality materials for a long inverter life. Plus, we offer an 18-month hassle-free warranty for your peace of mind. Don't forget to pack this inverter with your other road trip essentials, as it's the perfect car power inverter with a plug outlet for your devices.
- UNIVERSAL COMPATIBILITY: Car Power Inverter provides 400 watts continuous DC to AC power and 700 watts of peak power. Great for charging string lights, laptop, nebulizer, game console, TV, DVD players, lights, iPad, and other electronic devices.
- CHARGE 4 DEVICES AT ONCE: 2 110V AC outlets for charging larger devices such as laptops and tablets. 2 2.4A USB charging ports for powering USB compatible devices such as cellphones, iPads, airpods and etc.
- ADVANCED PROTECTION: Unique LED display shows the input voltage in real time. Automotive cigarette lighters can only provide a maximum output of 150W, and enhanced battery clips are required for appliances between 150W and 400W, an item that most inverters do not have.
- IDEAL FOR THE JOURNEY: Ultra-compact and lightweight, cellphone-sized design ideal for use on vacations, work trips and camping. 39.4-inch cigarette lighter plug cord for easy to reach out to the back seat.
- SAFETY FIRST: Durable Aluminum body provides advanced protection from drops and bumps. The safe charging technology and cooling fan can prevent the machine from short-circuit, over-load, lowvoltage, overvoltage & overheating. 18-Months Warranty.
- 【Upgrade 400W Power Inverter】Provides 400 watts continuous DC to AC power and 600 watts of peak power.This car power inverter features dual 110V AC outlets and 2 USB ports, great for charging string lights, laptop, breast pump, CPAP machine, nebulizer, game console, kindle, DVD players, lights, iPhones, iPad, and other electronic devices.The cigarette lighter of a car generally can only drive electrical appliances of about 150w.
- 【Fast Charging】Dual 110V AC outlets can charge larger devices such as laptops and tablets or plug in a new adapter for more charging needs; 2 USB charging ports (0-2.4A)can automatically detect your devices to deliver optimal charging speed, a good choice as requisite car accessories.
- 【Double protection mechanism】Smart chip + built-in fuse double protection mechanism.Safe charging design provides protection against, overheating, under and over voltage charging, short circuiting, overloads, and overcharging. Once the product detects a fault by itself, the inverter will automatically turn off the current output and light up a red light to remind the user.
- 【Portable design for journey】iPhone-sized design ideal for use on vacations, work trips, and camping. 24 inch cigarette lighter plug makes the power inverter can be plugged into almost any vehicle.The length of the Cord is 19.68 inch, easily reach the backseat, with fastening tape,which is more convenient to keep.
- 【Smart Premium Cooling Effect】Durable metal housing provides advanced protection from drops and bumps.Built-in silent automatic temperature-controlled cooling fan helps reduce heat and prevent shortages. What You Get: GELOO 400W car power inverter, user manual, 18 months warranty and 24 hours customer service.
- Provides 400 Watts continuous DC to AC power, featuring 2 AC outlets and 1 USB ports for multi-purpose charging.
- Dual 110V AC outlets for charging larger devices such as laptops and tablets, USB charging port for powering USB compatible devices. High Surge Current Capability to Star TVs, Motors and Other Inductive Loads.
- Compact Size, Light Weight, and High Efficiency: ideal design for use on vacations, work trips, and camping.
- Multi-Protection: Safe charging design provides protection against overheating, under and over voltage charging, short circuiting, overloads, and overcharging.
- Built-in Cooling Fans help reduce heat and prevent shortages. Durable metal housing provides advanced protection from drops and bumps. 12-Months Warranty and Sincerely e-mail support.
- Power Inverter: This car power inverter with 2 AC outlets,dual quick charging 3.1A USB ports and 1 DC cigarette lighter socket, 21.65 inch cord enough for you to use anywhere in the car. Provide top speed and stable continuous power for devices
- Portable Size: 7.48x 5.1x 2.55inches, Light Weight: 0.88 lb (400g). 21.65Inches cables, Our car Inverter unique design is more scientific and compact, greatly improving car inverter usability and portability
- Multi-Protection: Car converter made of insulation and ABS fire resistance material, built-in fuse provide your device full-protection with short-circuit, low-voltage, over-charge, over-voltage, overload, over-temperature protection
- Widely Use: Power Inverter converter will solve your charging problems on the road. An excellent choice for a long car journey, camping, emergency. Charging for iPad cell phone, digital camera, shaver, game consoles, etc
- Our Service: NDDI POWER car power inverter offer 24 hours customer service support for your satisfaction.Our goal is to supply the professional power solutions for you
- 400W CONTINUOUS / 800W PEAK POWER - With 400 Watts of Pure Sine Wave power, you'll be able to charge and power your medical devices, sensitive electronics, smartphones, laptops, entertainment devices, and other mobile devices - safely and reliably.
- COBRA REMOTE CONTROLLER COMPATIBLE - Monitor and charge portable devices with Fast Charge USB from anywhere inside your vehicle. The remote includes 3.0 AMP USB-A and USB-C fast charge ports.
- 2 GFCI PROTECTED AC OUTLETS - Easily power up to 2 of your medical devices, electronics, or small appliances with this portable charger, includes GFCI protected AC outlets for each.
- HEAVY DUTY CABLES - Includes 16 12 AWG and 12V Cables, both direct-to-battery and convenient car accessories.
- PENTAGON PROTECTION SAFETY and 2 YEAR WARRANTY - To keep you safe, the PURE SINE 400W includes 5 levels of protection: Over Temperature, Reverse Polarity, Over Voltage, Low Voltage Alarm, and Low Voltage Cutoff; and industry-leading 2-year warranty.
- Convert DC 12V-110V : This car power inverter provides 400 watts continuous DC to AC with 800W peak surge. The conversion efficiency of this power inverter is ≥90%, effectively converting 12V DC to 110V/120V AC with reduced energy loss.
- 65W Max Fast Charging: Our 400w power inverter is newly upgraded with USB ports, this inverter is equipped with a PD 65W USB-C port and QC3.0 18W USB-A port, which can charge iPhone 14 Pro Max up to 51% in 30 minutes, which is perfect for powering up your electronic devices.
- Comprehensive Protection: This car outlet adapter has 6 main protection measures: over voltage, under voltage, short circuit, overload, over current, temperature protection to ensure the safe operation of the product.
- DUAL USE MODE: This car inverter can be used with either cigarette lighter plug or battery clips. The cigarette lighter plug supports devices or appliances that use less than 150W, such as laptops, breast pumps, and cameras. The battery clip supports devices or appliances between 150W and 400W.
- Efficient and Quiet Cooling Fan]: Our 400W 12v power inverter also has a built-in low-noise cooling fan, when the inverter heats up, the intelligent cooling fan automatically rotates at different speeds depending on the power load and temperature, keeping it completely cool even after hours of use. This helps to increase the safety and stability of the inverter when in use.
- Powers AC devices up to 400 watts for the convenience of home appliances while on the road
- This power inverter is backlit so it can be turned on and off through a switch and easily seen in low visibility
- Two AC 110V cigarette lighter socket ports to power devices simultaneously
- Dual ports-standard 2.4A USB and fast charge 3.0A USB-C(R) to charge and power tablets and other devices
- Peace of mind - short circuit and temperature or overload protection
- Full cable kit included
- Cummins official licensed product
- Color- Black
- 【Upgraded 400W Power Inverter】New upgraded version car power inverter, provides 400 watts continuous DC to AC power and 600 watts of peak power. Equipped with dual 110V AC outlets and 2 USB charging ports, great for charging string lights, laptop, breast pump, CPAP machine, nebulizer, game console, kindle, TV, DVD players, lights, iPad, and other electronic devices.
- 【Fast Charging】This 400W car inverter has 2 110V AC outlets for charging larger devices such as laptops and tablets, or plug in a new adapter for more charging needs; 2 USB charging ports (0-2.1A) for powering USB compatible devices, automatically detect your devices to deliver optimal charging speed, a good choice as requisite car accessories.
- 【Double Protection Mechanism】Smart chip + built-in fuse double protection mechanism. Safe charging design provides protection against, overheating, under and over voltage charging, short circuiting, overloads, and overcharging. Once the product detects a fault by itself, the converter will automatically turn off the current output and light up a red light to remind the user, avoiding the trouble of replacing the fuse.
- 【Portable Design For Journey】iPhone-sized design ideal for use on vacations, work trips, and camping or anywhere that power is needed. Plug directly into your cigarette lighter socket, make this car plug adapter almost suitable for any vehicle. The length of the Cord is 19.68 inch, easily reach the backseat, with fastening tape, which is more convenient to keep.
- 【Smart Upgraded Cooling Effect】Built-in very silent automatic temperature-controlled cooling fan helps reduce heat and prevent shortages. When the is power inverter heated up, the fan runs faster, reducing the internal temperature and extending the service life. Durable metal housing provides advanced protection from drops and bumps.
- ENERGIZER 400W POWER INVERTER - 400 watts continuous power, 800 watts peak power. This modified sine wave power inverter converts 12V DC to 110V AC Power, keeping you connected wherever you go.
- MULTIPLE CHARGING PORTS - Features Dual USB ports (2.4Amps each), and 2 Standard North American AC outlets for charging larger devices.
- CAR CIGARETTE LIGHTER PLUG - Run your AC electrical devices with this heavy-duty inverter which plugs into your cigarette lighter or connects directly to a 12 Volt DC battery from your car, truck, van, trailer, or RV to power your camping heater, small appliances, laptop, tablet, cell phone, iPad, gaming console, and other electronic devices.
- ADVANCED PROTECTION - Tested, Validated and Approved for both Its Safety and Performance. ETL Approved Under UL STD 458 and CSA std C22.2
- WHAT YOU WILL GET - 3 Year Parts & Labor Warranty, 400W Power Inverter, Car Cigarette Lighter Cord, Battery Clip Cables, Specialized Customer Service Team & Technical Installation Support via Email, Chat or Phone.
- KRIEGER POWER INVERTER - 400 Watts Modified sine wave power inverter, converts 12V DC to 110V AC Power. Connect DC battery cables directly to your vehicle's battery to have power on the go.
- DIRECT CIGARETTE LIGHTER ADAPTER - Run your AC electrical devices with this inverter which plugs into your cigarette lighter or connects directly to a car battery to power your laptops, cell phone chargers, tablets, small electronic devices and more.
- ULTRA SILENT THERMAL FAN & USB CHARGING PORTS – 2 USB Charging Ports (2.4A each) and Dual 110V AC Outlets for Charging Larger Devices up to 400W
- ADVANCED PROTECTION - Tested, Validated and Approved for both Its Safety and Performance. ETL Approved Under UL STD 458 and CSA std C22.2
- WHAT YOU WILL GET - 3 Year Parts & Labor Warranty, 400W Power Inverter, Cigarette Lighter Cord, Battery Clip Cables, Specialized Customer Service Team & Technical Installation Support via Email, Chat or Phone.
- 400W continuous power with 800W peak power for devices needing additional ramp-up power
- Pure Sine Wave provides high quality, clean power for sensitive electronics
- Power up to three USB-compatible devices simultaneously via one USB-C port, one USB-C PD port, and one USB-A port
- USB-C PD 100W in/out port for powering devices or charging EGO 56V ARC Lithium batteries (available separately)
- 120V power outlet
- Pass-through charging feature allows an EGO 56V ARC Lithium battery to charge via the 100W USB-C PD port while simultaneously powering devices
- Built-in LED lights provide ambient lighting during a power outage
- Compatible with all EGO 56V ARC Lithium batteries (available separately)
- POWERFUL OUTPUT: Two AC output ports provide 400 watt continuous output or 800 watt high peak surge when connected to your vehicle’s battery
- LCD SCREEN: Screen displays the real-time status of your vehicle battery’s voltage, percent output power consumption, and warning data
- DIRECT CONNECTION: The included alligator clips attach directly to your vehicle’s battery and provide a 12 volt nominal DC input for the inverter
- DUAL AC OUTPUT: This inverter can supply power to drills, lamps, radios, TVs, toasters, microwaves, and more with the dual 3-prong AC output
- DUAL USB OUTPUT: Supply power to smaller devices such as digital cameras, fans, portable game consoles, GPS, and lights
- Longe and thick enough extension cable: With length of 2ft/0.6m and thick 16 AWG (1.5mm2) cable, our extension cable provides better conductivity than standard 16 AWG (1.31mm2) cables. It also features a line nose aperture of 6.3mm and an eyelet terminal that can be used for 5mm or 6mm inverter studs.
- Convenient 12V cigarette lighter plug: Our product comes with a cigarette lighter plug with a lead that allows you to use your power inverter with the same output voltage as your car. This makes it a convenient option for those who need to use their inverter while on the road.
- Made with 100% Copper Wire: Our heavy-duty extension cable is made with 100% copper wire, which provides better conductivity than aluminum or other materials. This makes our product more durable and ensures that it can handle heavy loads without overheating.
- 30 day hassle-free return and an 18-month replacement: We stand behind the quality of our product and offer a warranty to give you peace of mind. This ensures that you can use our extension cable with confidence and trust that it will perform as expected.
- Warranty: We stand behind the quality of our product and offer a warranty to give you peace of mind. This ensures that you can use our extension cable with confidence and trust that it will perform as expected.
- 400W Power Inverter: BYGD Newly upgraded car power inverter provides 400 Watts continuous DC to AC power and 800 Watts peak power with 2 AC power outlets and 2 USB ports, comes with battery clamps and cigarette lighter adapter.
- Fast Charging: Car power inverter features dual 110V AC outlets and 2 USB ports. 4.8A/dual USB ports can automatically detect your devices to deliver optimal charging speed. Providing top speed and stable continuous power for charging devices will solve the power problem for your long journey, camping, car entertainment and emergency.
- Silent Cooling Fan: Smart Chips and Built-in very silent temperature-controlled cooling fan help reduce heat and prevent shortages. A durable metal case provides advanced protection against drops and bumps.
- Multi-Protection: Durable metal housing provides advanced protection from drops and bumps. Built-in 2 fuses to protect your device, safe charging design protects against overheating, undervoltage and overvoltage charging, short circuits, overloads and overcharging.
- Wide Applications: Great for charging smartphone, string lights, laptop, breast pump, CPAP machine, nebulizer, game console, kindle, TV, DVD players,lights, iPad and other electronic devices.
- 【DC to AC Inverter】: NDDI premium 400W car power inverter with 2 AC outlets,dual quick charging 3.1A USB ports and 1 DC cigarette lighter socket, 21.65inch cord enough for you to use anywhere in the car. Provide top speed and stable continuous power for devices.It will solve the power problem for your long journey, camping, car entertainment and emergencies.
- 【Portable Size】: 7.48x 5.1x 2.55inches, Light Weight: 0.88 lb (400g). 21.65Inches cables, Our car Inverter unique design is more scientific and compact, greatly improving car inverter usability and portability.
- 【Multi-Protection】:Car converter made of insulation and ABS fire resistance material, and helps reduce heat and prevents shortages, built-in fuse provide your device full-protection with short-circuit, low-voltage, over-charge, over-voltage, overload, over-temperature protection.
- 【Widely Use】: Power Inverter converter will solve your charging problems on the road, running equipment for travel. An excellent choice for a long car journey, camping, emergency, and offices, etc. electronic devices charging, such as laptop,iPad cell phone, digital camera, shaver, game consoles & DVD player, etc.
- 【Our Service】: NDDI car power inverter offer 24 hours customer service support for your 100% satisfaction.Our goal is to supply the best professional power solutions for you !
- Higher power mobile powerstrip for more versatile tailgating and for vehicle use
- Three 110/120 volt AC outlets
- Two USB power outlets
- Short circuit protection
- High/low voltage protection
- Fast Charging | Provides up to 400 watts continuous DC to AC power and 800 watts of surge power. The perfect way to charge a cell phone, tablet, game console, or other small electronic devices from your vehicle, RV or camper.
- Modified Sine Wave | This fast charging Modified Sine Wave inverter features two 110V AC outlets and 2 USB ports to allow for charging or powering up to 4 devices at the same time. LCD screen displays real time power output and battery voltage.
- Plug and Play | Connect the SYLVANIA 400W Inverter 12V DC plug into the cigarette lighter port to provide 120V AC output to conveniently power small electronic devices in your car, truck, RV or boat.
- Compact | Convenient for road trips, vacations, work trips, camping, RVs, Compact size allows for easy storage in your vehicle or RV.
- Include In The Box | Power Inverter, Clamp Cables for Battery, o-clips for motorcycle battery, user instructions.
- Easy solution for small power loads
- Plug it into your vehicle's lighter socket for a quick supply of portable power, whenever you need it
- Output: 400 Watts; two outlets
- Input: 12 volt
- Dimensions: 6.3" x 4.3" x 2.6"
- Perfect for recharging devices on the go and for people with mobile lifestyles
- Plug the inverter into the 12V DC socket (up to 150W) or attach directly to the vehicle battery with the alligator clamps (included)
- Provides 400W continuous power and 800W peak surge power
- Safety features such as overload, overheat and low battery protection
- Designed to be efficient, the pure sine technology allows appliances to recharge faster, save energy costs and extend the life of appliances
- Included components: inverter, 12v plug in adapter, battery clamps
How to choose a good 400 watt inverters
Does the idea of finding a fantastic 400 watt inverters 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 400 watt inverters. 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 400 watt inverters 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 400 watt inverters 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 400 watt inverters 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 400 watt inverters 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 400 watt inverters 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 400 watt inverters, 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 400 watt inverters.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting 400 watt inverters 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 400 watt inverters. 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 400 watt inverters 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 400 watt inverters.
