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5 Best 400 Watts Inverter

Searching for the best 400 Watts Inverter rather than simply any inverter? Then this shopping guide will serve as your haven.

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This buying guide will provide you with all the basic knowledge and in-depth information you need to understand each 400-watt inverter featured and make an informed decision.

Information in this guide will be divided into different sections, ranging from the overview to the pros and cons and things to consider when buying a 400-watt inverter and so much more.

An off-grid power inverter is a compact device that transforms 12-volt DC electricity into 110-volt AC power. From lights to TVs, the appliance can power a variety of equipment. They are perfect for the house or camping because they are lightweight and portable.

You may use a 400-watt power inverter to power your television or other equipment.

Should you happen to find yourself in a position where you want power but there is no energy accessible, it is also a fantastic idea to install a power inverter in your house. This is particularly valid in situations involving storms and other weather-related events.

With all said and done, let’s get straight into the main reason for this buying guide.

5 Best 400 Watts Inverters: Overview

A 400W power inverter is designed to provide 400 Watts of power at its maximum rate, allowing you to operate all 400W appliances simultaneously.

A 400-watt inverter may also power a laptop, air conditioner, dehumidifier, charger for cordless drills, fan, refrigerator, aquarium pump, and radio.

You may also use it to power various lights and accessories. Make sure to match the electrical output to your battery capacity to get the maximum output from your 400-watt inverter.

The gadget can run for approximately two hours on a 12V 200Ah battery and about three on a 24V 200Ah battery.

You might want to look at a larger battery if you are using the device in an RV or boat.

Not everyone can use the 400-watt power inverter. It’s great for small, low-power electrical products and a great technique to extend the battery’s operating duration.

The majority of the appliances and equipment in your home may be powered by a 400W power inverter’s continuous 350W power output.

5 Best 400 Watts Inverter: Pros And Cons


  • The cost is the initial benefit of inverters. A dependable inverter and other equipment for an off-grid solar system may be purchased for a price that is far less than the annual cost of power and can be utilized for a few years.
  • You’ll be independent in terms of energy. By not being connected to the grid, you are protected from the possibility of power interruptions and variable energy prices. You have a lot of flexibility since you generate your electricity.
  • It may help create the most environmentally friendly and sustainable campervan or house energy system. The inverter may be taken on trips and for camping trips without the grid to power your appliances. Your carbon footprint can be reduced.


  • Due to the inverter’s complexity and potential for failure, your system’s overall security factor or Mean Time Between Failures (MTBF) may suffer now that you have a significant electronic component susceptible to failure.

Factors To Consider When Buying A 400-Watts Inverter

Power inverters are becoming more and more important, and for the tasks they perform, they continue to be quite effective. In terms of how it works, this transforms direct current into alternating current.

We’ll go over some of the most important factors and advice in this post to assist you in selecting the ideal inverter for your home.

Power Use

It is usually ideal to get an idea of your overall power use before going out to purchase an inverter for your home.

Make a list of everything you require electricity for on a typical summer day.

An inverter is fundamentally different from a generator when your electricity goes out. Since you can only use it to power a small number of necessary items that you wish to keep running continuously throughout the day.

Choosing an appropriate-sized inverter depends critically on knowing the total load that will be powered by it.

The VA rating of your inverter may be influenced by how many watts each device you connect to it will use.

An inverter may power large electricity-consuming appliances like refrigerators, but doing so has a drawback of its own: the inverter battery will survive for fewer hours than it would if large appliances like heavy refrigerators hadn’t been powered by it.

Power Inverter Type

Modern technologies are used by top-tier inverters to run completely silently and without the buzzing noise that is typical of modified inverters.

Let’s look at it this way. Pure sine wave inverters are quite popular since they offer excellent power and can be relied upon to run expensive and fragile devices like laptops and air conditioners.

Consider the technology used in the inverter you pick if you want a voltage that is even and steady, like the power grid.

Inverter’s Brand

Regarding long-term life, costs for upkeep, general efficiency, and product quality, a power inverter from a reputed company will offer you the best return on your investment.

Additionally, it’s often advised against buying inverters just because they’re inexpensive.

If you want nothing other than the best inverter for backup and everyday energy needs, even though it may be a touch on the pricier side, you should get reputed branded items.

Information Regarding The Inverter

You no longer need to buy bulky inverter units because there are many fashionable, compact, and feature-rich inverters available nowadays that might add value to your house in terms of functionality and aesthetics.

Nowadays, some inverter systems even come with built-in lithium-ion batteries (like the Li-On 1250), which are kept inside the inverter unit itself and cover any exposed cables when the device is placed in your home.

Therefore, if you’ve always desired a modern home inverter unit, you may now get one.

Furthermore, you may choose from a wide choice of items on the market.

Charge Period

The length of time it takes to charge a battery depends on its capacity. Many inverters have a function that indicates how long it will take for the battery to charge completely.

Safety Options

Make sure an inverter includes safety features like an audible alert, a circuit protector, an overload protector, and an auto reset option before investing in one.

Other Qualities

These days, the majority of inverters include an LCD and indicators that show the battery state, amount of time needed for charging, and overload.

Additional Considerations

You must ensure that a UPS and inverter are covered by the manufacturer’s warranty term, just like you would with any other device.

Until and unless they completely stop working, inverters are equipment that requires almost minimal maintenance.

Because it utilizes some of its energy to drive a cooling fan and power its internal circuitry, inverters are not entirely energy-efficient.

Now that you are fully informed about how to select the ideal inverter, only purchase from reputable manufacturers like the ones below.

Specifications Of The 5 Best 400 Watts Inverters

ProductsWeightProduct’s DimensionPower SourceManufacturer
NDDI POWER 400W Power Inverter14.1 ounces5.91 x 3.15 x 2.36 inches110v,Corded ElectricNDDI Direct
GEARGO 400W Power Inverter14.1 ounces4.7 x 3.1 x 1.9 inches110v, Corded ElectricGEARGO
Tripp Lite 400W Power Inverter 1.4 pounds2.5 x 5.7 x 6.9 inchesACTRIPP LITE
Krieger 400 Watt Power Inverter 2.01 pounds6.97 x 5.63 x 3.39 inchesBattery PoweredK KRIËGER
Pro Chaser 400W Power Inverters 1.04 pounds4.8 x 3.07 x 1.81 inches110v, Battery Powered, Corded ElectricPro Chaser

5 Best 400 Watts Inverters: NDDI POWER 400W Power Inverter

NDDI POWER 400W Power Inverter

The 5th best in this list of the 5 best 400-watt-inverters is the NDDI POWER 400W Power Inverter.

With a 21.65-inch wire that is long enough to reach everywhere, the NDDI premium 400W power inverter comes with 2 AC outlets, twin rapid charging 3.1A USB ports, and 1 DC cigarette lighter socket.

Give devices the fastest possible speed and reliable, constant power. It will address the issue of electricity for extended travel, camping, in-car entertainment, and emergencies.

This inverter’s special design is more compact and scientific, which considerably enhances the usage and mobility of the inverter.

The built-in fuse in this inverter gives it protection against short circuits, low voltage, over-charge, over-voltage, overload, and over-temperature exposure. It also helps to decrease heat and prevent power outages.

Your on-the-go equipment operating and charging issues will be resolved with a power inverter converter.

Excellent for charging electrical gadgets including laptops, iPads, mobile phones, digital cameras, shavers, gaming consoles, and DVD players when camping, in an emergency, at the office, etc.

For your complete satisfaction, NDDI automobile power inverters provide 24-hour customer care assistance.

They want to give you the greatest expert power solutions possible.

The majority of portable power requirements may be met by the NDDI 12V power inverter. However, you must connect this power inverter to a battery to use it to generate electricity.

Because it includes both a cigarette lighter socket and alligator clips for the battery connections, you may connect with a vehicle battery.

Besides, the lengthy cable that is included with the cigarette lighter plug allows you to reach the inverter from any location within the vehicle.

Sitting in the rear seat of your car, you may readily reach the inverter power.

The NDDI 110V power inverter is constructed from heat-resistant ABS plastic.


  • The fact that it includes everything needed for installation makes it simple to mount.
  • Affordable pricing.
  • Also, it is a strong unit.
  • Lastly, it is both convenient and portable.


  • The USB ports caused issues for some users.

5 Best 400 Watts Inverter: GEARGO 400W Power Inverter

GEARGO 400W Power Inverter

The 4th best in this list of the 5 best 400 watts inverter is the GEARGO 400W Power Inverter.

This 400-watt inverter provides a peak power of 600 watts and a continuous power of 400 watts from DC to AC. 

This automobile power converter has two 110V AC outlets and two USB connections, making it ideal for charging electronics.

Such as iPhones, iPads, MacBooks, breast pumps, CPAP machines, nebulizers, gaming consoles, kindles, and string lights.

Typically, a car’s cigarette lighter can only support 150w or less of electrical load.

A new adaptor may be plugged in for additional charging needs.

Two USB charging ports (0-2.4A) can recognize your devices automatically and provide the best charging speed, making them an excellent option as essential automobile accessories.

A smart chip and an integrated fuse serve as two layers of safety.

Protection from overheating, under and overvoltage charging, short circuits, overloads, and overcharging is provided via a safe charging design.

The inverter will immediately cut off the power supply and switch on a red light to alert the user as soon as the device detects a malfunction on its own.

Ideal for usage whether traveling for work or pleasure or while camping. The power inverter may be plugged into virtually any car thanks to its 24-inch cigarette lighter socket. The cord’s 19.68-inch length makes it simple to reach the backseat and its attaching tape makes it easier to store.

A sturdy metal casing offers superior protection against drops and bumps. An integrated quiet, automated cooling fan with temperature control helps to decrease heat and avoid shortages.


  • Features twin 110V AC outlets, two USB connections, and 400 continuous watts of DC to AC power in addition to 600 peak watts of power.
  • Protection against numerous errors is provided by a double protection method.
  • Its portable form makes it the perfect tool for use when traveling, working, and camping.
  • The improved protection from drops and bumps is provided by a metal casing.


  • Not available.

Tripp Lite 400W Power Inverter 

Tripp Lite 400W Power Inverter
Image from amazon

The 3rd on this list of the 5 best 400 watts inverters is the Tripp Lite 400W Power Inverter.

In your vehicle, truck, boat, or RV, a 400W inverter with 2 AC outlets and 2 USB connections offers 800 Watts of peak power.

Hence, making it ideal for charging your computer, tablet, pump, TV, Video player, lights, and other devices.

Two AC outlets, a 2.1A USB port, and a 1.0A USB port are all included in the PV400USB. Perfect for gadgets including cellphones, computers, tablets, GPS devices, gaming consoles, and more.

Battery Cables (always attach red to red and black to black) link directly to the battery or a DC jack connects to the cigarette lighter outlet in your vehicle, truck, boat, or RV.

40 amp built-in fuse to safeguard your gadget. Protection from short circuits, overloads, overcharging, overheating, and under and overvoltage charging is provided via a safe charging design.

Advanced drop and bump protection are provided by durable housing.

Heat is reduced and shortages are avoided thanks to an integrated cooling fan. 1-year Warranty, Free Technical Support from Chicago

The PV400USB automatically shuts off when the input voltage drops to 10V to prevent you from draining your car battery.

The gadget will also turn off if it becomes too hot (for instance, if the combined power of your connected devices exceeds 400 watts).

During prolonged usage, a built-in ventilation fan maintains the interior cool.

The robust plastic shell is made to stand up to the rigors of road travel, camping trips, business journeys, and family holidays. No upkeep is necessary.


  • Simple to use.
  • High-end construction.
  • Environmentally responsible design and a one-year product warranty.


  • Not available.

Krieger 400 Watt Power Inverter

Krieger 400 Watt Power Inverter

The 2nd best 400 watts inverter in this list of 5 best 400 watts inverters is the Krieger 400 Watt Power Inverter.

400 Watts electricity inverter with a modified sine wave that transforms 12V DC to 110V AC electricity.

Connect DC battery cables straight to your car’s battery for on-the-go electricity.

This inverter fits into your cigarette lighter or connects straight to your car battery to power your laptops, mobile phone chargers, tablets, tiny electronic gadgets, and more.

Dual 110V AC Outlets and two USB charging ports (2.4A each) allow you to charge larger devices up to 400W.

It has been tested, validated, and approved for both safety and performance. ETL Certified to UL STD 458 and CSA Standard C22.2

Three-year parts and labor warranty, 400W electrical inverter, cigarette lighter cord, batteries clip cables, professional customer service team, and technical installation support through email, chat, or phone.

This professional quality power inverter delivers 400 Watts of continuous power and 800 Watts of peak power, allowing your gadgets to operate with greater efficacy and efficiency.

It has twin USB ports and AC sockets for recharging and powering up to four devices at the same time.

It also features an ultra-silent thermal fan built in, which eliminates the loud noise that ordinary fans make.


  • Continuous output of 400 watts, peak power of 800 watts.
  • It can power up to four gadgets at the same time.
  • Dual 120-volt AC outlets with three prongs.
  • Dual 2.4A USB Charging Ports (compatible with tablets).
  • Thermally Controlled Turbo Cooling Fans with High Speed.
  • Cables for car batteries with alligator clamps.
  • Included is a car cigarette lighter plug adapter.


  • Not available.

Pro Chaser 400W Power Inverter

Pro Chaser 400W Power Inverter
Amazon image

The overall best in this list of the 5 best 400 watts inverters is the Pro Chaser 400W Power Inverters.

With twin 110V AC power sockets and 6.2A dual USB ports (3.1A each), our inverter generates 400 Watts of continuous DC to AC power and 800 Watts of instantaneous power.

Plug in and go, powered by the Cigarette Lighter Socket Charger.

The 6.2A twin USB ports can charge devices like Kindles, telephones, iPads, tablets, cameras, air pods, and so on.

Furthermore, the power outlets may be utilized to power any equipment that requires 300W to 400W of electricity, such as computers, DVD players, TVs, power tool battery chargers, air compressors, and so on.

The tiny cellphone-sized form makes it excellent for transporting automobiles.

The 30-inch (75 cm) chord allows the inverter to extend back to the back seat. Perfect for road trips, camping, and holidays.

The integrated fuse protects against short-circuit, over-load, low-voltage, over-voltage, and over-temperature.

When the internal temperature hits 113F (45°C), the cooling fan activates automatically, keeping the operating temperature cool and safe.

The sturdy metal casing offers superior protection against drops and bumps.

A trendy finish is provided by evenly colored housing with crisp laser print on the surface. A warranty period of 12 months is also included.


  • Dual 110V AC power outlets and dual 6.2A USB ports are provided.
  • A 12-month warranty period is also provided.
  • Design that is portable and small.
  • There is built-in safety protection.


  • Not available.

Frequently Asked Questions

1. What can I run on a 400 watt inverter?

A 400W power inverter is designed to provide 400 Watts of power at its maximum rate, allowing you to operate all 400W appliances simultaneously. A 400 watt inverter may also power a laptop, air conditioner, dehumidifier, charger for cordless drills, fan, refrigerator, aquarium pump, and radio.

2. How many amps can a 400 watt inverter handle?

This 400 watt power inverter converts 12 volts of direct electricity to 120 volts of alternating current at 3.3 amps.

3. How many batteries do I need for a 400 watt inverter?

In most cases, your 400-watt system just requires one battery. For these more compact solar panel setups, lithium 100Ah batteries are strongly advised.

4. Can a 400 watt inverter run a fan?

Most ceiling fans require between 50 and 120 watts of power to operate. Therefore, if you have a 400 watt power converter, you may utilize this to smoothly operate a home fan.

5. Which AC can run on inverter?

Is it possible to run an inverter-powered air conditioner? Answer: In the event of a power outage, an AC may indeed function on an inverter. An inverter can power both types of air conditioners, whether they are standard or inverter models.

5 Best 400 Watts Inverter: My Final Thoughts

Everything is in working order. I believe the details presented above in this post on the best 400 watts inverter satisfy your demands.

It must have been convenient for you to choose your top choices from my list as well.

Furthermore, you are not compelled to select from what I believe to be the best alternative because every item on my list will undoubtedly satisfy your demands.

Inverters come in almost every design you can think of, but if you want the finest 400-watt inverter, I think the choices I just went through are the best.

I ultimately decided on the Pro Chaser 400W Power Inverter as my best pick.

Additionally, the other goods will also serve you well.

So, don’t be hesitant to utilize the “Buy Now On Amazon” button to make a purchase; I can guarantee that you won’t be disappointed.

I hope this Powerversity buying guide was helpful to you.

To read more informative articles like this, see the pages below:

Best Power Inverters for Cars

The Best Solar Grid-Tie Inverter

5 Best Inverter Generators: Easy For Camping

How Does An Inverter Work

Akin-Ojo Michael Olamilekan
Akin-Ojo Michael Olamilekan
Akin-Ojo Michael Olamilekan is a technical writer at Powerversity.com. He is currently pursuing his MBBS Degree. Mike enjoys surfing the internet and listening to music. When he is not writing, he reads, sings, or practices his talking drum. Mike writes reviews, buying guides, and best-pick articles for PowerVersity.com

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