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The Best Power Inverter for your Laptop

If you’re looking for a power inverter for the laptop to carry wherever you go then you’ve come to the right place!

Different laptops have different power requirements and we usually want to charge more than just a laptop. Considering the power requirements of your laptop and the usage, we’ll recommend some of the best products in the market.

Laptops are an important part of our everyday lives. Between office work, college assignments, and even binge-watching. We carry laptops round the clock especially while traveling.

Realizing your laptop is out of battery while traveling is quite annoying and inverters can make sure that it never happens. They’re easy to carry, set up, and you can even charge your mobile and tablets with it. 

Summary of our Favorite Power Inverters for Laptops:

Preview
Our Top Pick
BESTEK 300Watt Pure Sine Wave Power Inverter Car Adapter DC 12V to AC 110V with 4.2A Dual Smart USB Ports
BESTEK 200W Car Power Inverter with 2 AC Outlets and 4.5A Dual USB Charging Ports Car Adapter with Car Cigarette Lighter Socket … (Cola Red)
Maxboost 300W Power Inverter Dual 110V AC Outlet and 2.4A/24W USB Car Charger [Aluminum & PC Body] DC 12V to 110V AC + DC 5V USB Battery Charger for Laptop,iPad,iPhone,Tablet,Phone
Product name
BESTEK 300Watt Pure Sine Wave Power Inverter Car Adapter DC 12V to AC 110V with 4.2A Dual Smart USB Ports
BESTEK 200W Car Power Inverter with 2 AC Outlets and 4.5A Dual USB Charging Ports Car Adapter with Car Cigarette Lighter Socket … (Cola Red)
Maxboost 300W Power Inverter Dual 110V AC Outlet and 2.4A/24W USB Car Charger [Aluminum & PC Body] DC 12V to 110V AC + DC 5V USB Battery Charger for Laptop,iPad,iPhone,Tablet,Phone
Price
$47.99
$27.99
$34.99
Customer rating
-
-
-
Prime benefits
Our Top Pick
Preview
BESTEK 300Watt Pure Sine Wave Power Inverter Car Adapter DC 12V to AC 110V with 4.2A Dual Smart USB Ports
Product name
BESTEK 300Watt Pure Sine Wave Power Inverter Car Adapter DC 12V to AC 110V with 4.2A Dual Smart USB Ports
Price
$47.99
Customer rating
-
Prime benefits
More information
Preview
BESTEK 200W Car Power Inverter with 2 AC Outlets and 4.5A Dual USB Charging Ports Car Adapter with Car Cigarette Lighter Socket … (Cola Red)
Product name
BESTEK 200W Car Power Inverter with 2 AC Outlets and 4.5A Dual USB Charging Ports Car Adapter with Car Cigarette Lighter Socket … (Cola Red)
Price
$27.99
Customer rating
-
Prime benefits
More information
Preview
Maxboost 300W Power Inverter Dual 110V AC Outlet and 2.4A/24W USB Car Charger [Aluminum & PC Body] DC 12V to 110V AC + DC 5V USB Battery Charger for Laptop,iPad,iPhone,Tablet,Phone
Product name
Maxboost 300W Power Inverter Dual 110V AC Outlet and 2.4A/24W USB Car Charger [Aluminum & PC Body] DC 12V to 110V AC + DC 5V USB Battery Charger for Laptop,iPad,iPhone,Tablet,Phone
Price
$34.99
Customer rating
-
Prime benefits
More information

Last update on 2020-08-07 / Affiliate links / Images from Amazon Product Advertising API

How To Choose the Right Inverter for your Laptop?

Laptops are expensive and delicate devices. Therefore, choosing the right inverter can either make or break them. The two things you must consider before buying a power inverter for your laptop are your laptop's power requirements and how many devices the inverter can charge simultaneously.

Power Rating:
Make sure that the inverter you’re buying is properly rated for your laptop. The power requirements are printed on your laptop’s manual. Read it carefully and look out for continuous and peak/surge current requirements.
Most laptops draw about 70-90 Watt continuous power. It varies with the laptop’s specifications and the GPU. I recommend purchasing an inverter that exceeds your laptop’s power requirements by at least 20%.


The number of outlets:
Most inverters have two types of AC outlets i.e. plugs and USB. A regular 300 Watt power inverter supports at least two USB outlets and plugs (each). The number of outlets varies with the size of the inverter. A high power inverter can charge more devices at a time. 

Pure sine wave vs modified sine wave

There are two kinds of commercial power inverters in the market. Pure sine wave, and modified sine wave. You can use either one for your laptop. The modified sine wave inverter is comparatively cheaper and well-suited for small electronic devices like mobile, laptop, and LED. If you’re planning on using the inverter for more delicate electronic devices (specifically audio equipment) then use the pure sine wave power inverter.

How to use a power inverter with your laptop?

You can use the power inverter by plugging it to a battery. It can be your car battery or a leisure battery in case of people with campervans, RVs, or boats. The power output of the inverter is limited to the fuse size of the car’s power outlet. You can also use the lighter socket to plug the inverter.

Caution: Kill the engine before plugging the power inverter directly to the battery. Make sure that the wires stay away from the radiator fan and the engine when it heats up.

Overusing the power inverter can mess up your car battery. Watch out for the low battery and overload shut-off protection. Your battery might keep charging even after turning the engine off. This will affect both the device and the car battery. 

What size inverter do I need to run the laptop?

You don't need a big expensive power inverter for a laptop. A small 300 Watt inverter is a perfect choice for you. A typical laptop consumes up to 100 Watt. The power consumption varies with the laptop size and specifications. Whether your laptop is a regular notebook or a more powerful gaming machine, a 300 Watt inverter is the perfect choice for it. You can even charge your mobile and tablets along with the laptops at the same time.

How much power does a 300 Watt inverter draw?

The formula for calculating the DC power (in Ampere) drawn from the battery is,

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

Current drawn by a 300 Watt converter is,

300 Watts/110 Volts = 2.727 Amperes.

Reviews of our Favorite Power Inverters for Laptops

Go Power! GP-SW300-12 300 Watt Pure Sine Wave Inverter

Go Power 300 Watt pure sine wave inverter takes 12 Volts DC and provides the equivalent AC power of 120 Volts. It’ll work well for 300 volts and withstand surge power up to 450 Watt.

The inverter has two GFCI (Ground-fault Circuit Interrupter) protected power outlets and over/under-voltage protection. 120 Volt AC power indicates that the inverter works as good as your home switch. The downside would be that there isn’t a USB port to charge the smartphones. The device is good but a little expensive if you’re on a budget. 

Go Power! GP-SW300-12 300-Watt Pure Sine Wave Inverter
  • 300 watt continuous pure sine wave inverter 12 volt input
  • 450 watt surge
  • 2 GFCI protected outlets to plug into
  • Over voltage, under voltage and overload protections
  • 2 year warranty for New unit (Refurbished units come with a 30 day warranty)

Last update on 2020-08-07 / Affiliate links / Images from Amazon Product Advertising API

PROS

  • Switch to turn on/off the device
  • Connected to the battery via cables (included).
  • 2 years warranty (For new pieces)

CONS

  • No USB port
  • No cigarette lighter plug

Samlex Solar PST-300-12 Pure Sine Wave Inverter

Whether you want an inverter for traveling or as an emergency backup, Samlex 300 Watt pure sine wave inverter is a trusted choice. Like most pure sine wave inverters, it’s a little expensive but safer. A continuous 300 Watt power supply is maintained by the inverter without overheating.

The inverter is FCC compliant and includes detachable cable with battery clamps. The LED indicator on the side is for power and protections. It also has a power switch, two GFCI protected power outlets, but no USB port. 

Samlex Solar PST-300-12 PST Series Pure Sine Wave Inverter
  • High efficiency, temperature controlled cooling fan – reduces energy consumption, and low idle power draw
  • UPC – Universal Protection Circuit: low voltage, over voltage, over temperature, over load and short circuit, dual GFCI protected AC outlets, and LED indicators for power and protections
  • Detachable cable with battery clamps and detachable cable with 12V plug adapter
  • Safety certified to UL standards, FCC compliant
  • Commercial grade design suitable for heavy duty loads, long periods of continuous operation & for emergency back up, low interference Wide operating DC input range: 10.5 - 16.5 VDC

Last update on 2020-08-07 / Affiliate links / Images from Amazon Product Advertising API

PROS

  • LED indicator for power and protection
  • FCC compliant (certified to UL standards)
  • High-efficiency cooling fan

CONS

  • No USB port

AIMS Power PWRI30012S Pure Sine Wave Power Inverter

Aims has been a reliable name in the inverters business for more than 20 years. Aims Power PWRI30012S pure sine power inverter is no exception. It maintains a continuous power of 300 Watt with 600 Watt surge power.

The inverter has a compact, light-weight structure complete with a USB port, AC outlet, LED indicator, and power switch. The internal fusing, low/high voltage alarm, and the cooling fan make it safe and efficient to travel with. It also has LED indicators and an alarm to protect from low/high voltage issues.

AIMS 300 Watt, 600 Watt Peak, Pure Sine DC to AC Power Inverter, USB Port, Cables Included - Non UL Listed
  • POWERFUL: 300W max continuous power, 600W surge, clean pure sine power, soft start technology, compact design, lightweight
  • PROTECTIONS: overload, over temp, high voltage, low voltage, short circuit, internally fused, low and high voltage alarm, cooling fan, and isolated ground neutral.
  • FEATURES: Works with small electronics, appliances and much more. Includes USB port, cables and LED indicators. Outputs up to 2.5 amps.
  • TRUST AIMS: Buy with confidence. In the inverter business for over 20 years. All tech support, warranty, and sales supported in Nevada .
  • APPLICATIONS: Ideal for powering cell phones, computers, CPAPs, small TVs. Use high quality copper cables in your system.

Last update on 2020-08-07 / Affiliate links / Images from Amazon Product Advertising API

PROS

  • Low/high voltage alarm and LED indicator
  • Tech support and warranty
  • High peak power (600 Watt)

CONS

  • No cigarette lighter plug
  • Only one USB and AC outlet (each)

Giandel 300 Watt Pure Sine Wave Power Inverter

The Giandel 300 Watt pure sine wave inverter is perfect for charging laptops, smartphones, power banks, etc. You can carry it anywhere, plug it to the cigarette lighter, and charge your laptop. Apart from your laptop, it can charge up to four devices (two USB and AC ports each).

The body is made of aluminum alloy and uses copper wiring to ensure reduced idle current. Some devices had issues with the alarm but you can get a fast replacement in that case.

Considering the quality of the inverter, the price is quite reasonable. 

Sale
300Watt Pure Sine Wave Power Inverter DC 12volt to AC 120volt Car Converter Adapter with Dual USB Ports for Smartphones Laptops Tablets CPAP
  • GIANDEL 300Watt PURE SINE INVERTERS designed for your devices that require careful protection, provide 300Watt continuous DC to AC power in car and with 2 AC outlets and 2 USB charging ports, great for Christmas gift, charging string lights, laptop, speakers, cameras, nebulizer, game console, kindle, iPad and other
  • Equipped with 2 Smart USB charging ports, which detect your devices automatically to deliver its fastest charge speed up to 2.4 amps per port , it can charge most phones,tablets,power banks simultaneously
  • Super silent and smart cooling fan design makes this 300W power inverter easier to dissipate heat, and durable cigarette lighter plug is easy to plug into a cigarette socket.Solid copper wire reduce the idle current to be only 0.35A max.
  • Super Low idle current and with external replaceable 30 amps fuse and full protection against overheating, under and over voltage , short circuit, overload,Low Voltage alarm. Isolation protection design.
  • Made by aluminum alloy housing provides better protection from drops and bumps. Giandel provides 18 months Warranty.Product liability is covered by AIG.

Last update on 2020-08-07 / Affiliate links / Images from Amazon Product Advertising API

PROS

  • External replaceable fuse
  • Reduced idle current
  • Cigarette socket plug

CONS

  • Some customers reported issues with the alarm

BESTEK 300 Watt Pure Sine Wave Power Inverter

If you’re looking for an all-rounder inverter for your laptop, smartphones, and other portable devices then Bestek 300 Watt pure sine wave inverter is the best choice. It has two AC outlets and two USB ports (up to 4.8 Amps) to ensure continuous high-speed charging.

The structure is compact, light-weight and easy to travel with. You can simply plug it to your car’s cigarette lighter and switch it on/off, anytime anywhere.
It’s a pure sine wave converter and suitable for almost all portable electronic devices. If you’re a student or on budget, then rest assured! It’s one of the cheapest, high-quality inverters in the market.

BESTEK 300Watt Pure Sine Wave Power Inverter Car Adapter DC 12V to AC 110V with 4.2A Dual Smart USB Ports
  • BESTEK 300W PURE SINE INVERTERS designed for your devices that require careful protection, provide continuous DC to AC power and 700W of peak power with 2 AC outlets and 2 USB charging ports, great for Christmas gift, charging string lights, laptop, speakers, camera, nebulizer, game console, kindle, iPad and other
  • Equipped with 2 Smart USB charging ports, which detects your devices automatically to deliver its fastest charge speed up to 2.4 amps per port/4.8 amps max, and you can charge most phones and tablets simultaneously
  • Unique vents and smart fan design make our 300W power inverter easier to dissipate heat, and cigarette lighter plug is easy to plug into a cigarette lighter socket
  • Built-in 40 amps fuse and full protection against overheating, under and over voltage charging, short circuiting, overloads, and overcharging
  • What You Get: 1*BESTEK 300W Pure Sine Power Inverter, 1*User Manual, 18-month warranty and customer service

Last update on 2020-08-07 / Affiliate links / Images from Amazon Product Advertising API

PROS

  • High-speed charging
  • Smart cooling fan
  • 18-month warranty

CONS

  • Issues with the fuse (make sure that your cigarette adapter supports high voltage current)

BESTEK 300 Watt Power Inverter

If you’re looking for a compact, light-weight power inverter for a small price then go for the Bestek 300 Watt inverter. There are two USB ports (0-2.4 Amps) and AC plugs. With the cigarette lighter plug, connecting the inverter is a matter of seconds.

It has a built-in 40 Ampere fuse to protect your device against overheating or under/over-voltage charging. The inverter can withstand quite a few crashes due to its aluminum alloy housing. It also includes a cooling fan and isolated voltage protection to avoid overheating. 

Sale
BESTEK 300W Power Inverter DC 12V to 110V AC Car Inverter with 4.2A Dual USB Car Adapter
  • BESTEK Advantage: America's leading power inverter brand. Provides 300 Watts continuous DC to AC power and 700 Watts instantaneous power, featuring 2 AC outlets and 2 USB ports
  • Fast Charging: two 110V AC outlets for charging larger devices such as laptops and tablets, 2 USB charging ports (0-2.4A) for powering USB compatible devices, a good choice as requisite car accessories
  • Ultra Compact and Lightweight: 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
  • Multi-Protection: built-in 40 amps fuse to protect your device. Safe charging design provides protection against, overheating, under and over voltage charging, short circuiting
  • Durable metal housing provides advanced protection from drops and bumps.Smart cooling fan system makes the car power inverter very silent when operating,and the fan runs faster when the device gets warmer or output power exceeds 70W.18-Months Warranty

Last update on 2020-08-07 / Affiliate links / Images from Amazon Product Advertising API

PROS

  • Isolation voltage protection
  • Aluminum Alloy housing
  • Durable cigarette lighter plug

CONS

  • AC voltage is lower than 110 Volts

BESTEK 200 Watt Car Power Inverter

If you wanna go for a more comfortable design in power inverters then try the Bestek 200 Watt car power inverter. It’s shaped like a cup and you can place it in the cupholder plugged into the cigarette lighter. A more comfortable option especially if you travel with kids.

It can charge both laptops and mobile phones with the USB and AC ports (two of each). The power (200 Watt) is less than the recommended 300 Watts but you can still charge a laptop and mobile at the same time. With the amazing design and all the features it offers, you can’t get a better deal in car power inverters. 

BESTEK 200W Car Power Inverter with 2 AC Outlets and 4.5A Dual USB Charging Ports Car Adapter with Car Cigarette Lighter Socket … (Cola Red)
  • BESTEK Advantage:America's #1 power inverter brand. Provides 200 watts continuous DC to AC power and 400 watts of peak power with 2 AC outlets and 2 USB charging ports, 12V cigarette lighter socket
  • 5-IN-1 Design: combined AC outlets, cigarette lighter socket and USB charging into one compact,space-saving design, charging 5 devices at the same time, 24 inch power cord allows you to put your inverter anywhere you want, tight fit into the car DC socket
  • Dual USB Ports: 4.5A/dual USB ports can automatically detect your devices to deliver optimal charging speed, great for your kindles,iPhones, iPads, tablets, MP3 players, cameras, and other mobile devices
  • Full Protection:auto-shutdown keeps your appliance and car from damage. Built-in 25A/32V fuse, overvoltage, under-voltage, overload, over-current, overheating. (Applied for a 12V car but not 24V)
  • What You Get: BESTEK 200W Power Inverter, User Manual, Our 18-month warranty and friendly customer service

Last update on 2020-08-07 / Affiliate links / Images from Amazon Product Advertising API

PROS

  • Innovative (5-in-1) design
  • Auto-shutdown
  • Cigarette lighter plug

CONS

  • Issues with the cord

Geloo 300W Power Inverter

Geloo 300 Watt power inverter offers a wide range of features and durability at a very low price. The inverter has two USB 2.4 Amps and AC ports (each). Unlike the noisy cooling fans, Geloo 300 is quite silent and speeds up and down as the temperature increases.

Connected to the cigarette charger plug, you can set it up within seconds.

The inverter maintains a continuous 300 Watt power and 600 Watt of surge power. Along with laptops, you can charge DVD players, lights, LEDs, and even a gaming console with it. The price is quite reasonable but you can also enjoy free delivery with Amazon Prime. 

GELOO 300W Power Inverter, DC 12V to 110V AC Car Inverter with 4.8A Dual USB Charging Ports Car Charger Adapter
  • 【Premium 300W Power Inverter】Provides 300 watts continuous DC to AC power and 600 watts of instantaneous power. 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 car 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, great for your kindles, iPhones, iPads, tablets, MP3 players, cameras, and other mobile devices
  • 【Mufti-Protection】Built-in fuse to protect your device, safe charging design provides protection against, overheating, under and over voltage charging, short circuiting, overloads, and overcharging
  • 【Ultra Compact】Just about iPhone size makes the car power inverter easy to storage. 31inches cigarette lighter plug fits into any car DC socket, satisfying the needs of people who sit in backseat
  • 【Upgraded Cooling Effect】Built-in very silent automatic temperature-controlled cooling fan helps reduce heat and prevent shortages. Durable metal housing provides advanced protection from drops and bumps.

Last update on 2020-08-07 / Affiliate links / Images from Amazon Product Advertising API

PROS

  • Built-in fuse
  • Compact design

CONS

  • Some reports of heating issues

Giandel 300 Watt Power Inverter

The Giandel 300 Watt power inverter uses modified sine waves instead of pure sine waves. You can also find the same pure wave inverter (at a higher price). It works well with laptops and mobile phones and you can charge up to four devices (two USB and AC ports each) at a time.

The device can also run a fan, small freezer, LED, etc. IT can be connected via a cigarette lighter plug and used anywhere. The fuse is replaceable in case of any damage and Giandel’s friendly customer service is there to help with any issue. Modified sine wave inverter is comparatively cheaper than a pure sine wave inverter. 

Sale
300W Power Inverter DC 12V to 110V AC Car Inverter with 4.8A Dual USB Car Adapter with LED Display
  • Provides 300 Watts continuous DC to AC power and 600 Watts instantaneous power, featuring 2 AC outlets and 2 USB ports
  • Smart Charging: the power inverter is designed with 2 Smart USB charging ports, automatically detect your devices to deliver its fastest charge speed up to 2.4 amps per port,4.8 amps max
  • Fully Safety Protections:Over voltage,Low voltage,Overload,Short circuit,Over heat,polarity reverse protection(fuse) . Soft start tech,Auto-restart function
  • Durable aluminum alloy housing provides advanced protection from drops and bumps. Integrated smart cooling fan helps reduce heat and prevents shortages.
  • Isolated Input/Output design. High speed thermal control cooling fan. 18-Months Warranty

Last update on 2020-08-07 / Affiliate links / Images from Amazon Product Advertising API

PROS

  • Car cigarette plug
  • Multiple charging ports
  • LED display

CONS

  • Some units had overheating issues

Maxboost 300 Watt Power Inverter

Maxboost 300 Watt power inverter is small, portable, and easy to travel with. You can just plug it into your car’s cigarette lighter and charge your laptop with the 24 inches long cable. It can charge up to four devices at a time (two USB and AC ports) and the LED light stays on while charging.

The aluminum alloy housing ensures a solid structure and it can withstand quite a few drops and bumps. It’s the lowest-price inverter on our list, and it also gives a year warranty. 

Sale
Maxboost 300W Power Inverter Dual 110V AC Outlet and 2.4A/24W USB Car Charger [Aluminum & PC Body] DC 12V to 110V AC + DC 5V USB Battery Charger for Laptop,iPad,iPhone,Tablet,Phone
  • POWERFUL CHARGING - Powerful 300 Watts car inverter continuous DC to AC power (700Watts instantaneous power), featuring 2 AC outlets and 2 USB 2.4A charging ports for multi-purpose charging for your vehicle. (2019 Version)
  • SMART PORTS - Aside from the two 110V AC port, it also features two Smart USB ports with built-in mSMART chip that can identify the attached devices to provide the maximum output up to 2.4A.
  • ULTRA-PROTABLE - Travel-sized design is ideal for use in the car for vacations, work trips, and camping. Featuring a universal cigarette lighter plug with 24inch long cable that plugs into almost any vehicle.
  • SAFETY FIRST - Safe charging design provides protection against, overheating, under and over voltage charging, short circuiting, overloads, and overcharging.
  • ROCK SOLID - Durable metal housing provides advanced protection from drops and bumps. Integrated cooling fan helps reduce heat and prevents shortages. One-Year Limited Warranty included.

Last update on 2020-08-07 / Affiliate links / Images from Amazon Product Advertising API

PROS

  • Two USB and AC power outlets (each)
  • Portable with integrated fan and 24-inch cables
  • Isolated voltage protection

CONS

  • Some buyers noted that units failed after a few weeks (warranty covers the replacements)