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BESTEK 300W Power Inverter DC 12V to 110V AC Car Inverter with 4.2A Dual USB Car Adapter

4.5 4.5 out of 5 stars 31,538 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Power Inverters by BESTEK

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1 - Power Inverter

Purchase options and add-ons

Brand BESTEK
Power Source DC
Wattage 300 watts
Model Name MRI3011BU

About this item

  • 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. 60-Months Warranty
  • 【60 Months Warranty】: ETL certified products to ensure safety and quality. If you have any questions or are dissatisfied with your purchase, BESTEK will provide 24 hours x 7 days technical and friendly customer service support, as well as a 60-month product replacement warranty.
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$29.99
Get it as soon as Sunday, Mar 17
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This Item
BESTEK 300W Power Inverter DC 12V to 110V AC Car Inverter with 4.2A Dual USB Car Adapter
BESTEK 300W Power Inverter DC 12V to 110V AC Car Inverter with 4.2A Dual USB Car Adapter
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Price$29.99$38.74$26.19-10% $26.99
Typical:$29.99
-28% $17.99
List:$24.99
-28% $32.98
List:$45.99
Delivery
Get it as soon as Sunday, Mar 17
Get it as soon as Sunday, Mar 17
Get it as soon as Sunday, Mar 17
Get it as soon as Sunday, Mar 17
Get it as soon as Sunday, Mar 17
Get it as soon as Sunday, Mar 17
Customer Ratings
Noise level
4.4
4.1
4.0
4.1
3.9
Value for money
4.3
4.0
4.1
3.9
4.1
Cord length
4.4
4.5
4.0
3.7
Easy to use
4.6
4.7
4.3
4.3
For traveling
4.5
4.2
3.8
3.9
Sold By
BESTEK.
BESTEK.
FOVAL
BESTEK.
Pisfau
GEARGO Direct
power outlets
4
4
6
4
3
4
output voltage
110 volts
110 volts
110 volts
110 volts
110 volts
110.0 volts, 120.0 volts
input voltage
12 volts
12 volts
12 volts
12 volts
12 volts
12 volts
output power
300 watts
200 watts
200 watts
300 watts
150 watts
400 watts
weight
0.63 pounds
12 ounces
180 grams
0.6 ounces
0.88 pounds

Product Description

300w power inverter (red)

60 Month

Quick USB Charging

Widely Compatibility

USA BASED SUPPORT

BESTEK provide 5-year product repair policy and our fast-response service will solve all your inquiry and problem, please don't hesitate to ask Amazon.

2 USB-A 2AC PLUG

  • 2 USB-A provide a stable 0-2.4A
  • 2 AC outlet, power inverter makes the DC 12V step-up through the transformer, and then converters to AC110V, 60Hz correction wave output.

Widely Compatibility

  • Great suitable for electric device in the car, for iPhone, laptop, breast pump, CPAPmachine, nebullizer, game console etc.
  • The input voltage is 12V, when the AC output is overload of 350W to 400W, the loading time of 300W to 330W is more than 60 seconds, and the loading time of 330W to 360W is more than 20 senconds.

red

bestek
BESTEK Advantage

America's leading power inverter brand. Provides 300 watts continuous DC to AC power and 700 watts of peak power

BESTEK 300W Car Power Inverter (Red)

BESTEK Power Inverter with 2 USB ports and 2 AC outlet, only for DC 12V and Car, not applied for DC 24V and airplane use. For charging your iPad, please use the 2.1A USB port and keep the other USB port free. It's normal for the inverter to become warm to the touch while you are using it, avoid placing the inverter in direct sunlight or next to heat-sensitive materials. Do not use to power high power electric devices such as hair dryers, electric heaters, which might blow a fuse.

  • Isolation Voltage Protection
  • Dual-USB 4.2A Output
  • Multi-Protection
  • Aluminum Alloy Housing
  • Durable Cigarette Lighter
  • Top Speed Charging

Aluminium Alloy Housing

Smart Cooling Fan

Isolation Voltage Protection

Quick USB Charging

Aluminium Alloy Housing

BESTEK power inverter outshell is made of Aluminium alloy, solid and durable,can stand up to all kinds of severe environment, protect the internal components.

Smart Cooling Fan

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.

Isolation Voltage Protection

Safe charging design provides protection against, overheating, under and over voltage charging, short circuiting, overloads, and overcharging.

Quick USB Charging

With 2 Smart USB charging port, can intelligently detect your devices and deliver best matched charging current to get fast charging speed.Auto 0-2.4A each port, total 4.8A output.

Durable Cigarette Lighter

cigarette lighter

Power On LED Strip Lights

BESTEK Advantage

Durable Cigarette Lighter

The lighter socket is resistant to up to 5000 times of insertion and extraction.Enjoy a safe,reliable charger on the go.Secure plug-in buckle design with stable current, and built-in usb charging ports.

Top Speed Charging

Made of high quality materials which provides high-speed charging from your car. 24 inch cigarette lighter plug makes the power inverter can be plugged into almost any vehicle.

Power On LED Strip Lights

It can power on your LED Lights anywhere for Christmas and other festivals to create a great atmosphere.

BESTEK Advantage

America's leading power inverter brand. Provides 300 watts continuous DC to AC power and 700 watts of peak power.

Black Inverter 500W pure sine wave BESTEK 300W PSW Power Inverter Blue 75W power inverter
BESTEK 300W Pure Sine Wave Power Inverter (Black) BESTEK 300W Car Power Inverter, with USB-C PD 20W, DC 12V to 110V AC Car Plug BESTEK 500W Pure Sine Wave Power Inverter (Red) BESTEK 300W PSW Power Inverter (Red) BESTEK 150W Power Inverter (Blue) BESTEK 75W Power Inverter (Black and silver)
Color Black Red Red Red Blue Black and silver
Power 300W 300W 500W 300W 150W 75W
isolation voltage protection
USB Port 4.2A Dual USB 4.2A Dual USB 4.2A Dual USB 4.8A Dual USB 4.2A Dual USB 3.1A Dual USB
Material Aluminum Alloy Housing Aluminum Alloy Housing Aluminum Alloy Housing Aluminum Alloy Housing Aluminum Alloy Housing Aluminum Alloy Housing
Speed charging
Dimension 8.1 x 5.3 x 2.6 inches 8.1 x 5.3 x 2.6 inch 8.7 x 4.3 x 2.4 inches 7.3 x4.3 x 2.5 inches 5.0 x 4.0 x 2.0 inches 5.5 x 2.4 x 1.6 inches
Feature Smart cooling fan, ETL listed Smart Cooling fan Smart cooling fan Smart cooling fan Smart cooling fan, ETL listed Smart cooling fan, ETL listed

From the brand

What's in the box

  • 1 x 300W Power Inverter1 x User Manual
  • Product information

    Warranty & Support

    Product Warranty: For warranty information about this product, please click here

    Feedback

    BESTEK 300W Power Inverter DC 12V to 110V AC Car Inverter with 4.2A Dual USB Car Adapter


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    Product guides and documents

    Customer reviews

    4.5 out of 5 stars
    4.5 out of 5
    31,538 global ratings

    Customers say

    Customers like the value, charging, and size of the power inverter. They mention that it gives way more output for less money, works great for charging their laptop, and is a relatively small compact charger. They appreciate the performance, saying it works great and does the job with no noise, no overheating, and does it perfectly over several hours. Customers also appreciate the quality, and portability. That said, opinions are mixed on power and noise.

    AI-generated from the text of customer reviews

    3,495 customers mention3,045 positive450 negative

    Customers like the performance of the power inverter. They say it works well, is handy, and has pretty good performance. Some say that the inverters appear flawless so far after 3 months of 3-4x's weekly (4 hours) use, and that all was perfect over several hours.

    "...The inverter itself is compact, easy to use, and really delivers on performance...." Read more

    "Wish the cord was a little longer, but it works like a charm. We've ran a laptop on it during longer road trips for the kids to watch movies...." Read more

    "...cheap square wave inverters come in handy, and this one has pretty good performance, and even survived brief polarity reversal..." Read more

    "...It was very quiet, didn't heat up, and served my purposes well. It also looked to be assembled and finished off correctly." Read more

    1,377 customers mention982 positive395 negative

    Customers like the quality of the power inverter. They say it's well-made, hasn't overheated, and provides steady power. The fan helps keep the invertor cool, which is appreciated more than total silence. It's a great little inverters to have for special events out tailgating. Overall, customers are happy with the quality and functionality of the product.

    "...It's made our travel experiences smoother and more comfortable, knowing we can power what we need, when we need it...." Read more

    "...players, iPads, and phones, often all at the same time, while providing steady power and not overheating, thanks to its built-in fan...." Read more

    "...Includes two USB portsAnd the cons are:The fan does not kick-in only when there's a heavy load, it's always on when the inverter..." Read more

    "...Charges several devices at once with a pretty good charge time and not overheating." Read more

    742 customers mention655 positive87 negative

    Customers like the portability of the power inverter. They mention that the 2 USB ports are a big plus, it provides power to the USB ports even when the invertor is off, and that it has USB charging hubs. The option of two plugs and two USB-A outlets gives customers enough options for charging USB devices and laptops that require under 160 watts.

    "...What I personally love about this inverter are the built-in USB-A ports...." Read more

    "...I got this after taking a look at reviews online and it's perfect for working in the car...." Read more

    "...It's great for charging USB devices, as well as a laptop which requires under 160 watts (in my case)...." Read more

    "...Specs: It plugs into the cigarette port or any of the 12 V auxiliary power outlets that may be in your vehicle...." Read more

    734 customers mention594 positive140 negative

    Customers like the charging power of the power inverter. They mention that it is a dream to charge up their iPod and cell phones while traveling. They say it is easy to install and is able to charge their laptop, phone, and other devices using it. Some say the charging speed is about average, but it is not super fast. Overall, customers find the recharge device to be great and useful for charging cell phones and using a laptop from time to time.

    "...They're perfect for charging our devices without needing to juggle extra adapters...." Read more

    "...Charges several devices at once with a pretty good charge time and not overheating." Read more

    "...terminals, and you have yourself a portable power supply that can be recharged quickly, and be deep cycled...." Read more

    "...Everything charges just fine." Read more

    713 customers mention640 positive73 negative

    Customers like the size of the power inverter. They say it is a nice small size for a 300-watt invertor, and it fits nicely in their car. Some say it's the perfect size to stick in their center console. They also mention it is easy to store and power their electronics. It is not heavy, but heavier than a laptop adapter, and is easy for customers to position in front or back seat as desired.

    "...The inverter itself is compact, easy to use, and really delivers on performance...." Read more

    "...Provides plenty of power at a very low price 300WattsIt's a relatively small for the wattage provides..." Read more

    "...It's compact, easy to use. I use it to charge my computer and many other items." Read more

    "...This inverter works well in my other cars. Is lightweight yet still built solid. Quality materials used-work well on this 300 watt inverter...." Read more

    625 customers mention521 positive104 negative

    Customers like the value of the power inverter. They say that it works well for the price, provides good charge, and is a fraction of the size and price of other brands. Some customers also mention that it has lasted 8 years and is in perfect condition.

    "...Provides plenty of power at a very low price 300WattsIt's a relatively small for the wattage provides..." Read more

    "Solid inverter for the money. Powers everything I need it to and has held up over time." Read more

    "Excellent for the price, works great. Doesn't crap out like the low-amp models" Read more

    "...Amazed with how well it works for the price. I never even write reviews but I am so excited because this is exactly what I was looking for...." Read more

    1,109 customers mention579 positive530 negative

    Customers are mixed about the noise of the power inverter. Some mention that it is quiet, while others say that it produces a loud fan noise over 100 watts. The internal fan is barely audible, and it serves their purposes well. However, some customers say that the blower is louder and there is a very loud rattling sound when the fan turns on.

    "...It was very quiet, didn't heat up, and served my purposes well. It also looked to be assembled and finished off correctly." Read more

    "...there's a heavy load, it's always on when the inverter is on, and it is loud..." Read more

    "This is a great product. It works great. It is very quiet. I was worried about the noise from the fan, but that was not an issue at all...." Read more

    "...They do make a small humming noise...." Read more

    663 customers mention432 positive231 negative

    Customers are mixed about the power of the power inverter. Some mention that it provides plenty of power at a very low price, while others say that the power draw was too much and blew their power socket fuse. They also say that it is quiet, powerful, and sleek, and perfect to keep laptop charge while traveling in car. However, some say that they are disappointed with the power and that it's only meant to power little things.

    "...So the way I see if the pros are these:Provides plenty of power at a very low price 300Watts..." Read more

    "...It delivers full rated power and works perfectly!" Read more

    "...Turns out this is only meant to power little things and I was devastated...." Read more

    "...It worked great and had enough power. I’m sure I will use it for other things." Read more

    Great product for non- Tesla Cars.
    4 Stars
    Great product for non- Tesla Cars.
    The inverter is rated for voltage up to 15v. Customer service reached out and resolved the issue. This inverter works well in my other cars. Is lightweight yet still built solid. Quality materials used-work well on this 300 watt inverter. Company stands by their products.
    Thank you for your feedback
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    Top reviews from the United States

    Reviewed in the United States on February 9, 2024
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    Reviewed in the United States on January 25, 2024
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    Top reviews from other countries

    Mobscene416
    5.0 out of 5 stars Amazing
    Reviewed in Canada on March 5, 2024
    Size: 1 - Power InverterVerified Purchase
    PaulJ
    5.0 out of 5 stars Top quality
    Reviewed in Canada on February 7, 2021
    Size: 1 - Power InverterVerified Purchase
    Paul Arnold
    4.0 out of 5 stars Very sturdy
    Reviewed in Canada on October 11, 2023
    Size: 1 - Power InverterVerified Purchase
    One person found this helpful
    Report
    Mitchell
    5.0 out of 5 stars Works Great
    Reviewed in Canada on January 19, 2024
    Size: 1 - Power InverterVerified Purchase
    Bari N Ali
    5.0 out of 5 stars Works great
    Reviewed in Canada on October 19, 2023
    Size: 1 - Power InverterVerified Purchase