Best Power Inverters for Cars to Buy in 2021

Planning on a long road trip? We assume you’ve got most of the expenses and other provisions for the trip covered. Well, there’s one thing you might have missed, and it could be a potential lifesaver on your adventure. Yes, we’re talking about power inverters for your car.

It is a simple device that converts Direct Current (DC) current into Alternating Current (AC) which is what makes it a must-have device in your car. Especially if you are always on the road. I don’t need to mention how frustrating it can get when you are far away from home and can’t charge your phone or laptop. Apart from that, you can also power other heavy-duty electrical equipment i.e. If you find the right inverter.

That also happens to be tricky. With so many power inverters in the market, and under various brand names, it’s tough to find the right one for your needs. Well, you don’t need to scratch your head thinking about it because we have you covered. Here are 5 of the best power inverters for your car in 2021.

1. Bestek 300W Power Inverter

Best Overall


  • Established brand
  • Lightweight
  • Durable


  • Irritating fan noise
  • Incompatibility with high voltage products like hair dryers

21,666 Reviews

Power Output: 300W | AC Outlets: 2 | USB Ports: 2


Bestek is one of the biggest names in the power inverter industry. It’s, therefore, not surprising that we choose the Bestek 300W as our top pick. This inverter can easily reach its peak operating capacity which is an impressive 700W surge wattage.

It comes with 2 110V AC outlets that you can use to charge your laptop and 2 USB ports to power devices that are compatible with USB, say a Bluetooth speaker or your smartphone. Bestek’s compact design with a metal enclosing makes it the ideal inverter to use while traveling. It also features a 24-inch cigarette lighter plug that makes it more flexible in terms of movement.

To protect it from short-circuiting, power overloads, overcharging and other power-related issues, the Bestek 300W includes a 40A fuse and a safe charging function. It also features a cooling fan to prevent overheating.

Unfortunately, the fan is always running even when the device is turned off. This can be a little unnerving especially due to the whirring noise it makes. The fuse is also soldered on the motherboard which might make it more challenging to replace in case it blows.

This device will be great for you if you are looking for a compact power inverter to take around with you on your road travels. It’s compatibility with most of the electronics that you might use while traveling or camping is what makes it stand out. Plus the metal enclosing will protect the inverter from falls and bumps.

2. Foval 150W Car Power Inverter

For Casual Usage


  • Lightweight
  • Durable
  • Extensive warranty period


  • Could do with more AC Outlets

13,582 Reviews

Power Output: 150W | AC Outlets: 1 | USB Ports: 2


This power inverter may not charge some of the high-end electronic appliances such as the heat gun but it will do a great job powering the light-duty equipment. It features one standard household AC outlet and 2 USB ports for charging your phone and tablet.

The lightweight and compact design on this inverter make carrying it around extremely easy. It also features various protection techniques to ensure it is safe from power overloads, low and under-voltage charging and overcharging.

The Foval 150W will prove to be a very convenient device for you. It will comfortably power up a breast pump, CPAP machine, nebulizer, laptop and any other small electronic equipment you might have.

3. Krieger 1100W Car Power Inverter

Bang For Your Buck


  • Loads of power
  • Quite portable considering the power
  • Remote control


  • Can be a bit inconsistent at higher power

3,779 Reviews

Power Output: 150W | AC Outlets: 2 | USB Ports: 2


Looking at this power inverter you can tell it was built to impress.  You will be able to run almost all your electrical appliances on the Krieger invertor thanks to its 1100W continuous power and 2200 peak power. All you have to do is connect the DC battery cables to your car battery and you are good to go.

It would be impossible to draw that amount of power from the cigarette lighter port. Additionally, it features an LCD screen from where you can monitor all the important stuff like the temperature, input voltage, output wattage, and the battery level. Just remember that when you’re working with really high wattage, this inverter can get a bit inconsistent with power delivery.

It also displays all the protection protocols installed to ensure that the inverter is safe from overloads, short-circuiting and overheating. To top it off, you will be able to control this inverter using a remote control. The Krieger inverter has been tested and approved by METLAB.

If it’s convenience you are looking for you will find it in this power inverter. If you own a luxury SUV then you will do well to consider this power inverter. It will do a great job powering your television, gaming consoles and other electronics.  It’s really compact and is understandable why it’s hailed as the world’s smallest 1100W power inverter.

4. Ampeak 750W Car Power Inverter

Simple Yet Effective


  • LED indicators
  • Solid build
  • Alarm alert
  • Automatic shutdown


  • Fuse soldered on the board
  • No cigarette lighter cable

608 Reviews

Power Output: 750W | AC Outlets: 2 | USB Ports: 2


Ampeak has been in the automotive electronic-products manufacturing industry for many years. You can, therefore, trust them to create an absolute killer power inverter. The Ampeak 750W allows you to charge your smartphone via the USB port and also features 2 AC outlets for charging other devices like a television, breast pump and game consoles.

The addition of the LED indicators is a smart move to ensure that you know when the inverter is functional or faulty. The green light signals that it’s functional while the red light indicates non-operational. The cooling fan will ensure that the device does not overheat. The Ampeak 750W also features an alarm system to alert you when there is low voltage. An automatic shutdown function is an excellent feature that saves the inverter from dying due to power overloads and other power-related issues.

The Ampeak 750W is quite light and will be easy to carry along with you when traveling. It also includes a dedicated power button which puts you more in control of the device. Moreover, the fan on this inverter only turns on when a significant amount of power load is being drawn which means you don’t have to deal with the constant fan noise.

Unfortunately, this inverter does not come with a cigarette lighter plug which means you will have to draw power directly from the battery. It comes with two battery cables in the package.

The simple yet solid look on this device will surely impress you. The LED indicators and an alarm system are welcome additions that that will really ease how you interact with this power inverter.

5. Badpas 150W Power Inverter

Budget Pick


  • Easily portable
  • Silent fan
  • LED indicators
  • Robust


  • Not suitable for heavy-duty electronics

2,220 Reviews

Power Output: 150W | AC Outlets: 1 | USB Ports: 2


This brand name may not be as popular as the others but the Badpas power inverter is an excellent choice. It sports a red and black exterior design similar to the Bestek 300. It features one 110V AC outlet for charging your laptop or camera and two USB ports that will be perfect for charging your smartphone, iPad or tablet.

You will have no problem carrying the inverter around due to its ultra-compact and lightweight design. It comes with a cigarette lighter plug for easy connection to your car. This plug has been intentionally made long for flexibility so that now it’s possible to charge your laptop from the back seat of your car. This power inverter also features various protection techniques including a built-in fan to prevent overheating and automatic shutdown to avoid overcharging or power overload, and other power-related problems.

The power inverter uses a smart fan meaning you don’t have to deal with the annoying fan noise associated with some of the other devices. And to keep your mind at ease Badpas gives you an extensive 18-month warranty and full-time access to their customer support service.

If you are looking for an inverter to power the more light equipment, then the Badpas power inverter will not disappoint. You will also find the travel kit that comes along with it extremely useful in carrying and setting up the power inverter.

Bill Wilson
Bill is a certified Microsoft Professional providing assistance to over 500 remotely connected employees and managing Windows 2008 to 2016 servers.