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BESTEK Power Inverter DC 12V to AC 110V - 300W Car Plug Adapter Outlet with 4.8A Dual USB Fast Charging Port - Car Charger Cigarette Lighter Adapter for Phone, Laptop on Road Trip - Aluminum Housing

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Availability: In Stock.
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Arrives Tuesday, Jul 14
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Model: MRI3011BU


Features

  • BESTEK Advantage Upgraded: Bestek is power inverter patents owner, America's leading power inverter brand. Our inverter tech upgraded to 11-17V compatible with Tesla. It 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*4.8A USB charging ports 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. 32 inch cigarette lighter plug makes the power inverter can be plugged into almost any vehicle
  • Multi-Protection: Bestek inverter 12v to 110v Built-in 40 amps fuse to protect your device. Safe charging design provides protection against, overheating, under and over voltage charging, short circuiting
  • Durable Aerospace Aluminum Housing: Bestek car inverter 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
  • 5 Years 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

Brand: BESTEK


Recommended Uses For Product: Vehicle


Power Source: DC


Wattage: 300 watts


Model Name: MRI3011BU


Power Source: DC


Wattage: 300 watts


Voltage: 12 Volts


Number of Outlets: 4


Input Voltage: 12 Volts


Output Power: 300 Watts


Standby Power Shutoff: 83.33%


Output Voltage: 110 Volts


Peak Output Power Watts: 700


Electrical Output Waveform: Modified Sine Wave


Frequency: 60 Hz


Item Dimensions L x W x H: 4.8"L x 3.1"W x 1.9"H


Item Weight: 0.9 Pounds


Energy Specifications Met: UL, FCC, CE


Brand: BESTEK


Antenna Location: Vehicle


Model Name: MRI3011BU


Built-In Media: 1 x 300W Power Inverter1 x User Manual


Model Number: MRI3011BU


Global Trade Identification Number: 07


Mfr Part Number: MRI3011BU


Item Type Name: Power Converter


Warranty Description: 18 Months


Unit Count: 1.0 Count


Manufacturer: BESTEK


Color: Red


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Jul 14

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews


  • Good to have and always worked well!
Model: MRI3011BU
I’ve been using this power inverter for almost ten years (Amazon says that I purchased it in 2017 and it’s not April 2026). The device has worked consistently and without any issues at all. I’ve always had it in my vehicle and it has always worked when I needed it. Powering my laptop, smart phone and anything else, it has always worked. Get it and keep it in your vehicle. ... show more
Reviewed in the United States on April 21, 2026 by Bryan Smith

  • Great! ⭐️⭐️⭐️⭐️⭐️
Model: MRI3011BU
I recently picked up the BESTEK 300W Power Inverter for long road trips and weekend camping, and it has truly exceeded my expectations. ✨ Highlights: • Consistent Power Output The pure 110V AC outlet delivers reliable power for devices like laptops, small blenders, or mini coolers. I ran my MacBook Pro and phone charger at the same time with zero hiccups. • Dual USB Convenience The built-in 4.2A dual USB ports are a game-changer what a time-saver to charge phones, tablets, and power packs all at once without needing extra adapters. • Robust & Safe The inverter stays cool even under continuous load, and the built-in safety features (overload, overheat, low-voltage protection) give me total peace of mind. • Compact & Portable It fits neatly in my glovebox, with a sturdy metal body and a 12V plug that locks securely in the socket. I’ve not faced any looseness or disconnect issues, even on rough roads. • Reliable Build Quality The unit feels rugged, the fan is surprisingly quiet, and the power switch is solid no loose parts or rattles after weeks of use. 🚗 Real‑World Use: • During a camping trip, I powered a small coffee maker every morning without draining my car’s battery. • On a long drive, I kept my phone charged and Nintendo Switch running simultaneously perfect for kids’ entertainment without arguing over ports. • My GoPro camera got charged up between hikes, and even emergency inflators and tire pumps worked flawlessly. 👍 Bottom Line: For anyone needing reliable AC and USB power on the go, the BESTEK 300W Car Inverter is a standout choice functional, well-built, and budget friendly. Five stars all the way! ... show more
Reviewed in the United States on July 19, 2025 by John Price

  • Works as described
Model: MRI3011BU
Its an inverter - it does what it should. i can run my work laptop and charge phones in my work car
Reviewed in the United States on April 10, 2026 by Justin Pone

  • good power inverter
Model: MRI3011BU
simple and works good
Reviewed in the United States on April 3, 2026 by Rowan brann

  • Useful and reliable
Model: MRI3011BU
I've had this inverter for over 9 years now, taken it on multiple cross country trips, including ones that have involved car camping where this was our only source of 110 AC power for days at a time. I originally bought it after such a trip where we found the 1 amp USB slots that were factory-installed in our SUV didn't put out enough juice to recharge my wife's iPad while she used it, or even get it to a full charge in a reasonable amount of time when she wasn't using it. Since then this inverter has powered laptops, portable DVD players, iPads, and phones, often all at the same time, while providing steady power and not overheating, thanks to its built-in fan. I think the few people who have had problems with this are either trying to use it with devices that draw too many amps, and/or their car's electrical system is limited and not designed for such an inverter (see further explanation below. So my advice is: 1. Stick to the devices it (and your car's electrical system) were designed to provide power for, and avoid amp-hungry appliances like power tools and coffee makers I've seen mentioned in the low reviews (SMH). 2. Check the specifications of your car's electrical system and its output from its cigarette lighter outlets before you buy this inverter, and before you jump to blaming this inverter when things go wrong. Car cigarette lighters are practically never designed to be on a circuit all by themselves, and depending on the car model the cigarette lighter could be on the same circuit only with low-draw components like dashboard lights and overhead interior lights (many of which would not necessarily even draw current at the same time that often), or it could be on the same circuit as a high-draw component like, say, your car's air conditioning system. That is going to make a big difference as to how much additional load that circuit your cigarette lighter is able to handle, and thus will affect what you can plug into the inverter. I personally have used this in a 2011 Toyota Venza, 2011 Chevy Malibu, 2017 Mazda 6, and a rental in 2016 that was either a Chevy Tahoe or GMC Yukon, and again, never had any issues in any of these cars, but other vehicles (including newer generations of these same models) may have the issues I mentioned above. ... show more
Reviewed in the United States on January 3, 2024 by Mark in Texas

  • Great
Model: MRI3011BU
Perfect. Works as it should.
Reviewed in the United States on April 17, 2026 by sarah harmon

  • Great customer service
Model: MRI3011BU
Had some issue with the product after months of continuous use. Contacted the customer service department for help as I read they had a 5 year warranty on the product. The service rep. was very helpful and understanding of the situation and guided me through the process. Receive the replacement product within days and it work well. They kept their word. ... show more
Reviewed in the United States on April 16, 2026 by Sanithu

  • Good buy
Model: MRI3011BU
Can run a small crock pot in the car so you can do some tailgating. Build quality is very solid. Seems like it will hold up. Price very reasonable
Reviewed in the United States on March 15, 2026 by David M. Iannotti

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