400 Watt Power Inverter Reviews

In this article we will explain exactly what a 400w power inverter is capable of, what its limitations are as well as recommending the very best 400w power inverters for all occasions.

If you ever traveled on a long road trip with your family, you must be aware of how difficult children can be when they are confined to a place. A way to remedy this is to give them a tablet or laptop but the main problem with doing that would be the battery. This is because tablets and laptops can’t run for too long on a single charge.

At this point, a power inverter can be of immense help to charge up your kid’s electronic appliances. The above example is just one of the ways a power inverter can be useful, there are also some other situations where they can be handy such as when you are camping or hiking or on a vacation trip.

Summary of our Favorite 400 Watt Power Inverters:

Product

Rating

Peak

Color

Buy Now

BESTEK

1000W

Red/Black

Ampeak

800W

Orange/Black

Tripp Lite

800W

Gray/Black

Duracell

400W

Black

What can a 400 watt inverter run?

A 400W power inverter can offer a number of advantages when you own one. They can power a small refrigerator, laptops, tablets, smartphones, digital cameras, power tools, small TVs, and DVD players.

How many DC amps does a 400 watt inverter draw?

The power required for an inverter to run is about 8 to 10 percent than the power load of the appliances being run. This is due largely to the efficiency of the inverters. The easiest way to work out how much DC amps 400 watts inverter will draw is as follow:

Watt(Power) = Volts (Voltage) X Amperes (Current)

Current drawn by a 400W inverter (400/110) A = 3.64 amps

How long can a car battery run a 400 watt inverter?

The best way to know how long a car battery will run when using an inverter pulling 400 watts of power is to know the amps hours of the battery you intend to use. For example, a 90-hour amp rating battery should be able to run a 400 watt continuous load for about two hours. The higher the amp hour rating, the longer the battery will last.

It is important to note that a car battery is designed to provide a large amount of current that a car battery is designed to provide a large amount of current over a short period of time and it is typically never drained more than 20% of its total capacity. This means it is not designed to be totally discharged but will wear out very fast.

For your convenience, it is recommended you get a deep cycle battery to provide power as they are designed to provide a steady amount of power for a long period of time.

Is a 400 watt power inverter appropriate to use with a laptop?

The amount of power consumed by a laptop depends largely on the screen size, typically they consume as low as 40 watts and up to 100 watts when they are off the battery.

When a laptop is charging, the power consumption of the laptop battery usually increases from 20 to 30 percent. For a 15-inch laptop, an average of 70 watts is consumed when it is plugged in, so a 400 watts power inverter is a good choice to use with a laptop.

Reviews of our Favorite 400 Watt Power Inverters

BESTEK 400W Power Inverter DC 12V to AC 110V Car Adapter with 5A 4 USB Charging Ports


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Quality

The BESTEK 400W power inverter is an excellent choice for those people who are looking for continuous DC to AC power and a peak power of up to 1000 watts. This model has 2 110V outlets and 4 USB ports that can power some household electronics such as a laptop, a small refrigerator, or a TV set. This model has a fuse that allows for safe charging thus eliminating the chance of overheating.

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Price

​For an inverter of this power this is an average kind of price that you would expect to pay.

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Our Rating

The BESTEK 400W power inverter works well with most with most devices and it is perfect for solving power shortage issues.

If you are looking for a portable power inverter that has the capacity to support multiple loads simultaneously without overheating then you should go for this device.

PROS

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    Easy to maintain
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    Ensure safety with replaceable fuses
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    4 USB ports for easy charging of your devices

CONS

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    Some reports that the fan is noisy

Tripp Lite 400W Car Power Inverter with 2 Outlets & 2 USB Charging Ports, Auto Inverter, Ultra Compact (PV400USB)


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Quality

This inverter provides 400W of portable power which is ideal for charging multiple devices such as laptops, game consoles, DVD players, portable TVs, and smartphones. It can also be used to power low-power lights, mobile office equipment, power tools, and camping accessories. The 2 USB ports in the device can give 800 watts of peak power which can enable you to charge your electrical devices.

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Price

Mid-price point for an inverter of this power range.

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Our Rating

The Tripp Lite 400W power inverter has excellent safety features and it provides safe charging that provides utmost protection against overheating, overcharging, and overloads.

PROS

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    Great safety ratings
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    Very portable
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    Durable design

CONS

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    Some reports of quicker than expected battery draining

Duracell DRINV400 High Power Inverter 400 Watt Peak 320W Continuous, 12v DC Input Includes 2 AC Outlets (115V) Plus 2.1 Amp USB (5V)


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Quality

The Duracell 400W power inverter has a dual AC outlet that helps to power your electrical devices. This inverter comes with an on/off switch control that enables easy control of the power going to the USB ports and AC outlets thereby helping to save on power consumption in the long run.

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Price

A very affordable option for this quality and power range.

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Our Rating

When it comes to portability, the Duracell 400W power inverter is the best in its range, thus making it ideal for anyone who wants to pack light. The Duracell power inverter is fairly priced, so when you purchase this device you have portability combined with a fair pricing.

PROS

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    It can charge up to 3 devices simultaneously
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    It helps to save on power consumed with on/off switch
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    Powerful cooling system

CONS

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    Not resistant to high heat

COBRA CPI490 400W Compact Power Inverter


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Quality

This unit features 5 levels of protection against failures such as thermal shutdown, over-voltage shutdown, reverse polarity protection, low voltage alarm, and low voltage shutdown. It has 2 AC outlets and 2 USB port that can power up to two household appliances simultaneously.

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Price

The price is at par with similar products in the same range.

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Our Rating

This inverter is a versatile solution for powering a laptop or other electrical devices whether you are in the vehicle or outdoor camping.

PROS

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    2 grounded AC outlets
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    Pentagon protection
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    Separate USB jack

CONS

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    Quite bulky

VOLTCUBE 400W Power Inverter, 12V DC to 110V AC Car Adapter with Twin 2.4A USB Ports and Two Independent AC Outlets


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Quality

VOLTCUBE 400W power inverter is a multi-purpose charging device with 2 USB ports and 2 AC outlets that can be used to charge pretty much anything. What makes this inverter unique is the fashionable honeycomb aluminum design. It also has the ability to protect your devices from overcharging, short circuits, overloads and under voltage. It also comes with an integrated safety module that protects it from overheating.

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Price

A great price for a inverter of this power range.

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Our Rating

This is a very powerful and fast inverter with 400W of rated power and 800W of peak power. This inverter can be used anywhere whenever you require AC power, it is easy to connect and reliable. Now, you need not worry if outages occur because you have a trusted emergency power source.

PROS

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    Great price
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    Easy to connect
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    Smart USB port

CONS

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    Must unplug when not in use
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    Bulky design

Power Bright PW400-12 Power Inverter 400 Watt 12 Volt DC to 110 Volt AC


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Quality

This power inverter does a lot more than you expect from an inverter of its size. With its 400 watts capacity, it can power tablets, refrigerators, tablets, laptops, phones, and other electronic devices. The 2 110V AC adapters and 2 USB ports allow you to power up to 4 devices at the same time. This device comes with an inbuilt protection against low voltages, overloads, and short circuits. It also features an inbuilt cooling mechanism that helps to prevent your devices from overheating.

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Price

Great price for an inverter of this quality

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Our Rating

If you are looking for a power inverter that is portable, this inverter is convenient to carry as it is light in weight and compact. The PowerBright 400W power inverter is the ideal inverter if you are looking to pack light for a vacation trip or camping.

PROS

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    Dual USB ports and AC outlets that can connect with anything
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    Has a silent integrated cooling fan
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    Very lightweight

CONS

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    Comes with a limited warranty of 12 months

Wagan EL2610 Gray 400W Pro Pure Sine Wave Power Inverter


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Quality

The Wagan 400W power inverter is a quality and popular product with 800 watts of peak surge power. It features two AC outlets and 5 USB ports to power your appliances. It is compatible with appliances such as digital cameras, power tools, laptops, smartphones, TV sets, etc. It also comes with safety features that ensure overheat protection, auto reset, and short circuit protection.

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Price

on the higher end for a power inverter of this range.

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Our Rating

The Wagan 400W power inverter is built to provide enough power to keep most of your devices whether you are outdoor or indoor. This inverter is among the best durable inverters you will find on the market.

PROS

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    Easy to maintain
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    Short circuit protection
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    Can be used for various functions

CONS

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    It might be expensive for some users

Bravo View INV-400U 400-Watt INV-400U-400-Watt Power Inverter USB Charging


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Quality

The BravoView 400 watts power inverter is very portable due to its lightweight size. This inverter is incorporated with a dual 2.1A USB port that is capable of charging smartphones, tablets, and other USB-powered devices.

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Price

Sits in the higher price bracket for this power range

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Our Rating

It has excellent safety features designed to provide optimum protection against thermal shutdown, low voltage shutdown, over voltage, and reverse polarity.

PROS

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    Compact – can fit anywhere and it is easy to carry around
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    Resistant to overheating
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    Resistant to physical damage

CONS

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    The cooling fan is quite loud