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Best 400 watt power inverter


The 400 watt power inverter may be a medium-duty inverter that is suitable for powering low-to-medium supercharged devices whether at home, inside car, boat, camping or at remote work sites. This guide can guide you through everything you want to understand about 400 watt power inverters. We have jointly reviewed a series of the simplest 400 watt inverters on the market these days to help build your calling method more easily. If you’re in a hurry, the table below shows our high choices for this variable power, for many details, scroll down the page and read our full reviews.

Product Name View Peak Price

1000 Watts
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4000 Watts
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A 400 watt inverter has enough power to run small appliances, laptops, tablets, cell phones, digital cameras, MP3 / MP4,  power tools, game consoles, televisions, ordinary light bulbs ,video disc players and different weak devices.

Will 400 watt inverter work for my Laptop computer?

Yes Although a 400 watt power inverter might be enough to run some smaller appliances like laptop computer, but for medium power appliances like refrigerator we might suggest buying an influence power inverter with the next rated power and the next maximum surge power.

How many amps of DC will a 400 watt inverter consume?

The formula to calculate what proportion of DC amps the 400 watt power inverter associates can draw is as follows:

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

Current consumed by an electric converter 400w (400/110) A = 3.6 amps

Bestek 400w power inverter

bestek 400w power inverter

The Bestek 400w power inverter 12v-220v has rapidly become the bestselling power inverter on the market. Why has it positioned itself as the best car inverter of 2019 in such a short time? In our specialized website we tell you all the secrets of its great success and we show you its best offers.

Bestek 400w power inverter Features

  • Dimensions: 16.1 x 5.4 x 13.6 cm
  • Weight: 649 grams
  • Height: 13.6 centimeters
  • Width: 5.4 centimeters
  • Length: 16.1 centimeters
  • Power: 400W Nominal, 100oW Maximum (Peak)
  • Contents: 1 power inverter, 2 battery clamps, 1 lighter adapter, user manual
  • Input voltage: 12V DC
  • Output voltage: 220VAC ± 5% / 50HZ ± 3HZ
  • 4 USB ports output: Two with 2.4A, one USB with 1A and the other with 0 ~ 2.4A
  • Indicator: Green-run, Red-off
  • Off Voltage: DC 15V-16V, low voltage disconnection: DC 10V-11V
  • Working temperature: -10oC ~ 10oC
  • Plug Type: EU

Other features to consider

The Bestek 12v-220v 400w power inverter is ideal for use for several days but if you live in the van, caravan or for longer trips you will need more power.

In addition you should better protect your most delicate devices so we recommend buying the Bestek 12v-220v 400w and reinforce it with a pure wave current inverter between 200w and 500w (See more offers at Amazon) or directly buy a wave current inverter Pure powerful from 600w.

Can i use Bestek 400w inverter for my car

With a nominal power of 400W and a maximum of 1000W, this inverter is ideal for weekend trips with the car or van or simply for daily trips where you need to quickly charge your electronic devices.

Ease of use Bestek 400w inverter

This small and light power inverter quickly charges any electronic device during your day to day as well as small appliances in your leisure time and days off. In addition the fan does not make noise, it is very easy to handle   and you do not have to worry about the battery of your car since the inverter will automatically stop charging when the battery of your car starts to be low.


  • High Quality & Durable Material
  • Multi Protection
  • Four usb port


  • There are users who complained about noisy fan

Everstart 400w power inverter


The everstart 400w power inverter is a cool device to keep your electronic devices charged and use them whenever you need them. Opting to include a everstart 400w power inverte is a very practical way to carry out usual activities in which a pause is required to charge your electronic devices. Its power is sufficient to connect a drone or a camera stabilizer , among others. Even if you go camping , its output power of 500 W is enough to plug it into the car or van and enjoy a relaxing weekend with all the comforts. In addition, its soft start facilitates no overloads. Do you need any more reason? Buy your everstart 400w power inverte and try it for yourself!

everstart 400w power inverter

  • Dimensions: 5"L x 7"W x 8"H
  • Weight: 1.98 lb
  • Height: 8 centimeters
  • Width: 7 centimeters
  • Length: 5 centimeters
  • AC ports provide 400W output
  • Input voltage: 12V DC
  • Output voltage: 220VAC ± 5% / 50HZ ± 3HZ
  • Two universal USB ports 3.1A work with iPhone, iPad, Samsung and other mobile devices and accessories
  • Replaceable fuses conveniently stored in end cap
  • Digital display shows active power status
  • Attached cigarette lighter plug and color-coded cables

What type of transport can you use the everstart 400w power inverter?

Anywhere. Land or sea, this device is able to connect to the battery of a car, caravan, boat, van or truck. With its two clamps, you can plug it into the vehicle’s battery or, if you prefer, you can connect it to the car’s cigarette lighter thanks to its charger.

Tip: do not connect it to the cigarette lighter for appliances of more than 200 W

Can i use everstart 400w power inverter for my laptop? ​

Yes you can use it, Although if you use it briefly with other  delicate devices such as your  camera or phone, do not abuse it excessively, as it could damage them.


  • High Quality & Reliable
  • Multi Protection
  • Can be plugged in to cigarette socket
  • Lcd display


  • There are buyers who indicate that the cables to connect it to the battery are a bit short, which can cause inconvenience.
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