Best 400 Watt Power Inverter Reviews

In this article, we’ll explain exactly what a 400w inverter is capable of, its limitations, and recommend the best 400w inverters for all occasions.

If you have ever traveled with your family on a long car trip, you should be aware of how difficult children can be when they are in one place. One way to fix this is to give them a tablet or laptop, but the biggest problem with that would be the battery. This is because tablets and laptops cannot run for a long time on a single charge.

At this point, an inverter can go a long way in charging your child’s electronics. The above example is just one of the ways an inverter can come in handy, there are some other situations where it can come in handy as well, such as while camping or hiking or on vacation.

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What can a 400 watt inverter run?

A 400W inverter can provide a number of benefits if you own one. They can power a small refrigerator, laptops, tablets, smartphones, digital cameras, power tools, small televisions and DVD players.

How many DC amps does a 400 watt inverter draw?

The energy required to run an inverter is about 8 to 10 percent of the energy load of the devices in operation. This is largely due to the efficiency of the investors. The easiest way to calculate how many DC amps the 400-watt inverter will draw is as follows:

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

Current drawn by a 400 W (400/110) inverter 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 last when using an inverter that generates 400 watts of power is to know the amp-hours of the battery you want to use. For example, a battery with a 90-hour life should be able to run for about two hours on a continuous load of 400 watts. The higher the amp-hour, the longer the battery lasts.

It is important to note that a car battery is designed to provide a large amount of power while a car battery is designed to provide a large amount of power for a short period of time and usually never more than 20% of your power. total consumed. capacity. This means that it is not designed to be fully discharged, but it will wear out very quickly.

For your convenience, it is recommended that you use a deep-cycle battery to provide power as it is designed to provide a constant amount of power over a long period of time.

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

The amount of power a laptop consumes is highly dependent on the size of the screen, typically consuming as little as 40 watts and up to 100 watts when without a battery.

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

Reviews of our Favorite 400 Watt Power Inverters

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

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

For an inverter of this power, this is kind of the mid-market price you would expect to pay.

The BESTEK 400W Power Inverter works well with most appliances and is perfect for troubleshooting power shortages.

If you are looking for a portable inverter that can support multiple loads at the same time without overheating, then you should go for this device.

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

  • ORDER advantage? Inverter brand No. 1 in the United States. Provides 400W continuous DC to AC and 1000W peak power
  • Dual 110V household outlets provide plenty of power for your laptop, digital camera, TV, fan, refrigerator, game console, DVD/Blu-Ray player, GPS, lights and more
  • The 5A / 4 port USB charging ports make this inverter ideal for charging your USB powered phones, tablets and other devices.
  • Built-in replaceable 30A/32V*2 fuses and cooling fan for added safety and easier maintenance. This inverter has overvoltage, overload, overcurrent, undervoltage, overheating, short circuit
  • Comes with a 2 foot cigarette lighter plug and 2 foot black/red battery clips to plug into the cigarette lighter socket or connect directly to your vehicle’s battery

PROS

  • Easy to maintain
  • Ensure safety with replaceable fuses
  • 4 USB ports to easily charge your devices

CONS

  • Some report that the fan is noisy
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2. Tripp Lite 400W Car Power Inverter with 2 Outlets & 2 USB Charging Ports, Auto Inverter, Ultra Compact (PV400USB)

This inverter delivers 400W of portable power that is ideal for charging multiple devices such as laptops, game consoles, DVD players, portable TVs and smartphones. It can also be used to power energy-efficient light bulbs, mobile office equipment, power tools and camping accessories. The device’s 2 USB ports can provide 800 watts of maximum power to charge your electrical devices.

Average price for an inverter of this power range.

The Tripp Lite 400W Power Inverter has excellent safety features and provides a safe load that provides maximum protection against overheating, overcharging and overload.

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

  • CONVERT POWER FROM 12 V DC TO 120 V AC: 400W converter with 2 AC outputs and 2 USB ports that deliver 800 watts peak power, ideal for charging laptops, tablets, pumps, televisions, DVD players, lighting and more on your car, truck, boat or camper
  • FAST AND VERSATILE CHARGING: The PV400USB has two power outlets, a 2.1A USB port and a 1.0A USB port. Perfect for smartphones, laptops, tablets, GPS devices, gaming systems and other electronic devices
  • EASY TO USE – The DC plug plugs into the cigarette lighter socket of your car, truck, boat or RV; or the battery cables are connected directly to the battery (always connect red to red and black to black)
  • PREMIUM SAFETY FEATURES – Built-in 40 amp fuse to protect your device. The safe charging design provides protection against overheating, low and high voltage charging, short circuit, overload and overload.
  • HIGH QUALITY WITH 1 YEAR WARRANTY: Durable housing provides advanced protection against drops and bumps. The built-in cooling fan helps to reduce heat and prevent shortages. 1 year warranty, free technical support in Chicago

PROS

  • Excellent safety ratings
  • Very portable
  • Sustainable design

CONS

  • Some reports of battery draining faster than expected
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3. Duracell DRINV400 High Power Inverter 400 Watt Peak 320W Continuous, 12v DC Input Includes 2 AC Outlets (115V) Plus 2.1 Amp USB (5V)

The Duracell 400W Power Inverter has a dual power outlet that helps power your electrical appliances. This inverter comes with an on/off switch that allows you to easily control the power to the USB ports and AC outputs, saving you long-term power consumption.

A very affordable option for this quality and power range.

When it comes to portability, the Duracell 400W Power Inverter is the best in its range, making it ideal for anyone looking to carry light luggage. The Duracell Power Inverter is reasonably priced, so when you buy this device, you’ve combined portability with a fair price.

Duracell DRINV400 High Power Tailgate Inverter 400 Watt Peak 320W Continuous, 12v DC Input Includes 2 AC Outlets (115V) Plus 2.4 Amp USB (5V)

  • The inverter converts vehicle power into domestic AC and USB power and delivers up to 400 watts of peak power and 320 watts of continuous power.
  • It features two 3-pin AC outputs and 2 2.4-amp USB ports, all with protective caps, allowing you to charge and control up to 5 devices simultaneously.
  • Powerful enough to operate televisions, video games, laptops, small hand tools and a wide variety of 115 VAC electronic devices.
  • For applications up to 175 watts, the inverter plugs directly into your car’s DC port; For higher demand applications, the battery terminals pull directly from your car battery.
  • Ideal for mobile workplaces, camping sites and mobile workplaces, the Duracell 400 Watt Tailgate Inverter provides enough power for your daily needs.

PROS

  • Can charge up to 3 devices simultaneously
  • Helps save energy with on/off switch
  • Powerful cooling system

CONS

  • Not resistant to high temperatures
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4. COBRA CPI490 400W Compact Power Inverter

This device has 5 levels of fault protection, such as thermal trip, over voltage trip, reverse polarity protection, low voltage alarm and under voltage trip. It has 2 power outlets and 2 USB ports that can power up to two devices at the same time.

The price is comparable to comparable products in the same range.

This inverter is a versatile solution for powering a laptop or other electrical devices, whether you’re in the car or camping outdoors.

Cobra CPI490 Portable Power Inverter – 400 Watt Car Charger, 2 Grounded AC Outlets, 12 Volt 2.4 Amp USB Port, Survival Gear, Camping Accessories, Travel Essentials

  • POWERFUL – Connect and charge your smartphone, tablet and many other mobile devices via the convenient USB port. 400 watts continuous (800 watts peak power) and a 12V power supply, a 2.4 amp USB output means you can charge on the go.
  • VERSATILE – The CPI490 provides you with a power source via two grounded outlets for office equipment and appliances that draw up to 400 watts from your car, truck, RV or boat.
  • TWO POWER SOURCES – Connect directly to your vehicle’s battery or through a cigarette lighter for optimal use. The cigarette lighter cable and direct cables to the battery are included.
  • ON-THE-GO: This inverter supports you on tailgate, camping and road trips – and wherever you go.
  • PROTECTION: With Cobras Pentagon Protection, you have 5 levels of fault protection (thermal shutdown, reverse polarity, overvoltage shutdown, low voltage shutdown and low voltage alarm).

PROS

  • 2 grounded sockets
  • Pentagon protection
  • Separate USB connection

CONS

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

The VOLTCUBE 400W Power Inverter is a multifunctional charging device with 2 USB ports and 2 AC outputs that can charge almost anything. What makes this inverter unique is the modern honeycomb aluminum design. It also has the ability to protect your devices from overload, short circuit, overload and low voltage. It also comes with an integrated safety module that protects it from overheating.

A great price for an inverter in this power range.

This is a very powerful and fast inverter with 400W nominal power and 800W maximum power. This inverter can be used wherever you need mains power, is easy to connect and reliable. Now you don’t have to worry if a breakdown occurs because you have a reliable backup power source.

VOLTCUBE 400W Power Inverter 12V DC to 110V AC Converter with 4.8A Dual USB Car Adapter with 2 Independent AC outlets (Blue)

  • POWERFUL INVERTER】: This inverter delivers 400 watts DC to AC power and 800 watts peak power to two independent AC outputs for multi-purpose charging (plugs are now further apart for larger plugs). AC plugs are useful for charging your laptop and digital camera, or for powering your TV, refrigerator, air mattress, etc.
  • 【DUAL USB PORT: 2 USB ports (each 2.4A, max 4.8A) to power USB compatible devices such as smartphones and tablets.
  • 【STYLISH & DURABLE DESIGN】: Fashionable aluminum honeycomb structure is durable and also looks great. In addition, it provides excellent heat dissipation.
  • 【SAFE FOR DEVICES AND BATTERIES】 – Built-in replaceable 2×30 amps (max 60 amps) fuses protect your device and the low-noise cooling fan prevents overheating, low and high voltage charging, overload, overload and short circuit.
  • 【WORTH A PURCHASE】: The Voltcube 400W car inverter comes with high quality gold plated metal alligator clips, user manual, cigarette lighter socket and 2 replaceable fuses. A 12-month warranty, friendly customer service and lifetime technical support are available at any time.

PROS

  • Good price
  • Easy to connect
  • Smart USB Port

CONS

  • You must remove the plug from the socket when not in use
  • Comprehensive design
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6. Power Bright PW400-12 Power Inverter 400 Watt 12 Volt DC to 110 Volt AC

This inverter does much more than you would expect from an inverter of this size. With its 400 watts of power, it can power tablets, refrigerators, tablets, laptops, phones and other electronic devices. With the 2 110V AC adapters and 2 USB ports, you can power up to 4 devices at the same time. This device comes with built-in protection against low voltage, overload and short circuit. It also features a built-in cooling mechanism that helps prevent your devices from overheating.

Excellent price for an investor of this quality.

If you are looking for a portable inverter, this inverter is easy to carry because it is light and compact. The PowerBright 400W Power Inverter is the ideal inverter if you want to take something light with you for a holiday or camping.

Power Bright PW400-12 Power Inverter 400 Watt 12 Volt DC To 110 Volt AC, Model: PW400-12, Electronics & Accessories Store

  • 400 watts continuous power
  • 800 watts peak power
  • Anodized aluminum housing ensures durability.
  • Built-in cooling fan
  • Cigarette lighter plug

PROS

  • Dual USB ports and power outlets that plug into anything
  • Has a silent built-in cooling fan
  • very light

CONS

  • It comes with a 12-month limited warranty.
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7. Wagan EL2610 Gray 400W Pro Pure Sine Wave Power Inverter

The Wagan 400W inverter is a popular and high-quality product with 800 watts of peak peak power. It has two power outlets and 5 USB ports to power your devices. It is compatible with devices such as digital cameras, power tools, laptops, smartphones, televisions, etc. It also comes with safety features that provide overheating protection, automatic restart and short circuit protection.

It is on the high side for an inverter in this range.

The Wagan 400W Power Inverter is designed to provide enough power to power most of your devices whether you are outdoors or indoors. This inverter is one of the best durable inverters you will find on the market.

Wagan EL2610 Gray 400W Pro Pure Sine Wave Power Inverter

  • 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 connect directly to the vehicle battery with the alligator clips (included)
  • Provides 400 W continuous power and 800 W peak surge power
  • Safety features such as overcharge, overheat and low battery protection
  • Designed to be efficient, pure sine technology enables appliances to recharge faster, save energy costs, and extend the life of appliances.

PROS

  • Easy to maintain
  • Short circuit protection
  • It can be used for various functions.

CONS

  • Can be expensive for some users
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8. Bravo View INV-400U 400-Watt INV-400U-400-Watt Power Inverter USB Charging

The 400 Watt BravoView Power Inverter is very portable due to its lightweight size. This inverter is built-in with a 2.1A dual USB port which is capable of charging USB powered smartphones, tablets and other devices.

It is in the highest price range for this power range.

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

Bravo View 200W Continuous 400W Peak Power Inverter, DC 12V to 110V AC Car Inverter with 2 AC Outlets and 1 USB Charging Port (INV-400U)

  • 200 watts continuous power, 400 watts peak power
  • Dual AC outlets – converts DC battery power to household AC power
  • 2.1A USB port – charges smartphones, tablets and many other USB powered devices
  • Includes Cigarette Lighter Cord (3 ft.) – Provides power directly from the vehicle’s 12V outlet
  • Total protection: thermal shutdown, reverse polarity protection, overvoltage shutdown,
  • low voltage shutdown and low voltage alarm, replaceable 20A fuse

PROS

  • Compact: it fits anywhere and is easy to transport.
  • Resistant to overheating
  • Resistant to physical damage

CONS

  • The cooling fan makes walnut a lot of noise
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9. Ampeak 400W Power Inverter DC 12V to 110V AC Car Inverter with 3.1A Dual USB Converter

This inverter also comes with two USB ports that allow you to charge two devices at the same time. The 400 Watt Ampeak Power Inverter’s design is ultra-compact and saves space. This inverter has a built-in fuse that helps protect devices from power surges, so you don’t have to worry about the safety of your device during operation.

The Ampeak Power Inverter is the best choice for anyone who wants extra power to support their additional devices. The Ampeak 400 Watt Power Inverter is a complete package because it gives you a solution for extra power and a double AC port so you can charge multiple devices at the same time.

This inverter is also in the best inverter for trailers.

Ampeak 400W Power Inverter DC 12V to 110V AC Car Inverter with 3.1A Dual USB Converter

  • 【A really powerful and practical inverter】 Provides 400W DC to AC continuous power, 800W peak capacity, 110V AC output functions and 3.1A dual USB port, ideal for home appliances CA or on travel, camps or workplaces
  • 【Wide Application】 Battery clip cables and cigarette lighter plug cable for different power requirements. Dual 3.1A USB charging ports, great for iPod, smartphone, etc, dual 110V AC outputs, great for laptop, game console, Kindle, TV, etc.
  • 【Ultra compact and lightweight】 iPhone size to save space, easy to store and carry. Ideal for use on long road trips, family vacations and camping. The nearly 26 inch cigarette lighter plug makes the inverter suitable for almost any vehicle
  • 【Full Protection】 Built-in replaceable 35A mini slide fuse * 2 and cooling fan and ABS shell, automatic shutdown protection against over voltage / under voltage / overload / short circuit / overheating. Advanced Low Voltage Alarm Protection
  • 【What You Get】 All our investors are ETL certified. We offer an 18-month hassle-free warranty, 24-hour friendly customer service and 100% customer satisfaction.

PROS

  • Dual USB ports support real and safe charging
  • Lightweight for easy portability
  • Overvoltage protection fuse
  • Compact design

CONS

  • Expensive
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10. Whistler Pro-400W 400 Watt Power Inverter

The Whistler Pro 400W Power Inverter offers 400 watts of continuous power and a maximum power of 800 watts. It has 2 power outlets and 1 USB port for fast, multi-purpose charging. It also has a safe multi-protection charging design that protects against overheating, short circuit, overload and overload/underload.

This compact inverter is ideal for use during business trips, vacations and camping trips.

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

  • CONVERT POWER FROM 12 V DC TO 120 V AC: 400W converter with 2 AC outputs and 2 USB ports that deliver 800 watts peak power, ideal for charging laptops, tablets, pumps, televisions, DVD players, lighting and more on your car, truck, boat or camper
  • FAST AND VERSATILE CHARGING: The PV400USB has two power outlets, a 2.1A USB port and a 1.0A USB port. Perfect for smartphones, laptops, tablets, GPS devices, gaming systems and other electronic devices
  • EASY TO USE – The DC plug plugs into the cigarette lighter socket of your car, truck, boat or RV; or the battery cables are connected directly to the battery (always connect red to red and black to black)
  • PREMIUM SAFETY FEATURES – Built-in 40 amp fuse to protect your device. The safe charging design provides protection against overheating, low and high voltage charging, short circuit, overload and overload.
  • HIGH QUALITY WITH 1 YEAR WARRANTY: Durable housing provides advanced protection against drops and bumps. The built-in cooling fan helps to reduce heat and prevent shortages. 1 year warranty, free technical support in Chicago

PROS

  • Safe to use
  • Energy-efficient charging
  • Durable

CONS

  • Only has one USB port
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