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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 HousingClimatePartner certified

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 HousingClimatePartner certified

Q: When I plug my laptop into it, and then play music through my laptop I get really bad cyclical sound ... is there a way to filter this out?

I'm going with audio engineer dude on this one. But really what I wanted to address, is people saying it's due to it being a modified sine wave. That's not your issue. Laptops don't run on AC, they run DC, so first off sine type isn't an issue. Second, anything not straight off the main grid or a generator is a modified sine. There are better and worse, but if you're going DC to AC, it's modified sine. In all honesty though, if you're running a laptop off an inverter, the best thing would be to see if you can adapt straight from your original source to a laptop charger, bypassing the whole AC conversion.

Q: The descriptions and photos here show TWO(2) AC Outlets, but some reviews say it only has ONE(1). Which is it?

The unit that I received has 2 110v outlets and 2 usb ports. The unit was used on a recent trip to Texas and worked flawlessly.

Q: Will this drain the car battery and does the car need to be running to use this?

It depends. If you have an ICE car with an internal combustion engine and a small "starter/ignition" battery, you won't want to run anything more than a few hours, maybe less if your battery is older or you've run it to dead a couple of times already. But for my electric car, I've used a small inverter in the accessory jack to power small things for up to a week, and hardly noticed it.

Q: Will this work with/charge a 15 inch Macbook Pro?

Yes it works very well, and runs quietly.

4.5/5

Product ID: 1142327

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Details

Brand
BESTEK
Recommended Uses For Product
Vehicle
Power Source
DC
Wattage
300 watts
Model Name
MRI3011BU

⚡300W continuous power output

🔌Dual 110V AC outlets + 4.8A dual USB fast charge

🛡️Comprehensive multi-protection system

Description

🔋 Power up your journey — never miss a beat on the road!

CHARGE TWICE AS FAST - Dual USB ports delivering a combined 4.8A with smart fast charging for tablets and smartphones on the go.
SLEEK DURABLE DESIGN - Premium aluminum housing with built-in cooling fan keeps your inverter cool and stylish during extended use.
ETL CERTIFIED RELIABILITY - Certified for safety and performance, so you can trust your devices stay powered and protected on every trip.
BUILT TO PROTECT PERFORM - Advanced safety features including short circuit, overload, overheat, and voltage protections ensure worry-free use.
POWER YOUR ROAD ADVENTURES - Seamlessly convert your car’s 12V DC to 110V AC to keep laptops, phones, and gadgets fully charged anywhere.

The BESTEK 300W Power Inverter converts your vehicle’s 12V DC power into 110V AC, featuring dual AC outlets and dual USB ports with a total 4.8A fast charging capacity. Its robust aluminum housing and built-in cooling fan ensure durability and efficient heat dissipation. Equipped with comprehensive safety protections and ETL certification, this inverter guarantees reliable, safe power for laptops, phones, and other devices during road trips.

Specifications

Manufacturer	BESTEK
Brand	BESTEK
Model	MRI3011BU
Item Weight	14.4 ounces
Product Dimensions	4.8 x 3.1 x 1.9 inches
Item model number	MRI3011BU
Is Discontinued By Manufacturer	No
Manufacturer Part Number	MRI3011BU
Special Features	300W Power Inverter DC 12V to 110V AC Car Inverter
Safety Rating	ETL Certified
Voltage	12 Volts
Wattage	300 watts

Have a Question? See What Others Asked

When I plug my laptop into it, and then play music through my laptop I get really bad cyclical sound ... is there a way to filter this out?

The descriptions and photos here show TWO(2) AC Outlets, but some reviews say it only has ONE(1). Which is it?

Will this drain the car battery and does the car need to be running to use this?

Will this work with/charge a 15 inch Macbook Pro?

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ravi S.

I loved the variety of products available. Will definitely shop again.

2 months ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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