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BESTEK

BESTEK Power Inverter DC 12-17V to AC 110V - 300W Car Plug Adapter Outlet

  • Based on 34,033 reviews
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Availability: In Stock.
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Arrives Oct 9 – Oct 10
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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

Description

BESTEK Inverter 300W Car Inverter 300W PD65W 300W Pure Sine Wave 500W Pure Sine Wave 200W Car Inverter PD30W 300W Pure Sine Wave PD30W 300W Car Inverter PD30W

Brand: BESTEK


Recommended Uses For Product: Charge for phone, laptop, camera, etc; compatible with 11-17V vehicles like SUV, MPV, RV, Seadan, Trunk, Tesla See more


Power Source: DC


Wattage: 300 watts


Model Name: MRI3011BU


Power Source: DC


Wattage: 300 watts


Voltage: 12 volts


Number of Outlets: 4


Input Voltage: 17 volts


Output Power: 300 watts


Standby Power Shutoff: 83.33%


Output Voltage: 120


Peak Output Power Watts: 700


Inverter Capacity Volt-Amp: 25


Electrical Output Waveform: Modified Sine Wave


Frequency: 60 hertz


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


Item Weight: 14.4 ounces


Energy Specifications Met: UL, FCC, CE


Color: Red


Brand: BESTEK


Antenna Location: Charge for phone, laptop, camera, etc; compatible with 11-17V vehicles like SUV, MPV, RV, Seadan, Trunk, Tesla


Model Name: MRI3011BU


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


Model Number: MRI3011BU


Number of Items: 1


Item Highlight: 4.8A Dual USB Fast Charging Port, Vehicle Charger Cigarette Lighter Adapter for Phone, Laptop on Road Trip - Aluminum Housing


Unit Count: 1 Count


Number of Packs: 1


Global Trade Identification Number: 07


Item Type Name: Power Converter


Manufacturer: BESTEK


Mfr Part Number: MRI3011BU


Warranty Description: 18 Months


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Oct 9 – Oct 10

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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Similar Products

Top Amazon Reviews

    • Powerful little inverter. Worth the $$$
Model: MRI3011BU
This is a great product. Especially when the power goes out. You can charge all your batteries in your vehicle. I have a power bank that runs on ryobi batteries and when the power went out during a hurricane I was using that power bank to run my fan to keep my wife and kid cool in the Hawai’i humidity. This little inverter is powerful enough to plug my ryobi charger into and charge 40v lithium batteries. A real life saver. (Highly Recommended) ... show more
Reviewed in the United States on August 31, 2026 by Bronson Ganigan
    • Exactly What I Needed For Roadtrip With My Ice Machine
Model: MRI3011BU
This handy little adapter is going to make my 7-hour road trip totally manageable with my ice machine for my knee. With having knee surgery just 3 weeks ago I still need to ice all day 40 minutes on 20 minutes off. This is such a convenient little adapter I highly recommend this. Love all the options. ... show more
Reviewed in the United States on September 25, 2026 by patty
    • Perfect for camping!
Model: MRI3011BU
Perfect for camping! We wanted something inexpensive for electricity while camping and this was great. We plugged it into the car and inflated 2 queen air mattresses, charged phones and more. It’s compact but durable. Connected easily and securely. This is a great option if you don’t want to spend a lot on the more expensive options. ... show more
Reviewed in the United States on July 31, 2026 by Ko
    • Good but needs a clamp option at this wattage
Model: MRI3011BU
Review Image by duke
Good product, I have several of Bestek's pure sine inverters and have been very happy with them, so buying this was a no brainer. Right now I'm using it to maintain a car battery from another battery (I know, long irrelevant story) and it works well. The fan is pretty quiet and I had to check to make sure it was actually working in a semi-noisy environment. One gripe I have about this is it doesn't come with a clamp option which doesn't make much sense for an inverter of this size. If you're using this in a car you might not be able to push it much beyond 150w current draw because many cars have a 15A or 20A fuse for that. 155w at 12v is ~13A, 215w is ~18A. And I don't think it's a great idea to push those fuses to their rated capacity, especially since you'll have to account for a small amount of overhead in the inverter itself. Using it with a clamp to 12v socket adaptor, everything gets hotter than I'm comfortable with when pushing it closer to 180w and it was shutting off around 240w. I cut the plug off and put some clamps on, works perfectly. But this is strange to me because I feel like many people wouldn't think twice about it. ... show more
Reviewed in the United States on March 22, 2025 by duke
    • 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
    • Versatile, quick charge
Model: MRI3011BU
This is our second unit. Loved the first. Needed to charge a unit with a plug while driving across the country. It charges that unit and our phones quickly. Thus purchased a second for another car.
Reviewed in the United States on August 28, 2026 by Amazon Customer
    • Great product
Model: MRI3011BU
Works just as described. It came in handy during a road trip, I was able to charge my laptop
Reviewed in the United States on September 24, 2026 by jennifer oliver
    • Reliable, convenient power for multiple devices simultaneously
Model: MRI3011BU
I bought this in 2021 and have been using it consistently for 5 years now without complaint or issue. It powers multiple devices at once, including a gaming laptop, without missing a beat. The only reason that I am here buying another is to have in a second vehicle.
Reviewed in the United States on September 4, 2026 by Craig

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