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BESTEK Dual 110V AC outlets and Dual USB 3.1A 300w power inverter car dc 12v to 110v ac inverter dc adapter laptop charger notebook adapter dc charger ac adapter usb charger MRI3011BU

BESTEK Dual 110V AC outlets and Dual USB 3.1A 300w power inverter car dc 12v to 110v ac inverter dc adapter laptop charger notebook adapter dc charger ac adapter usb charger MRI3011BU

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: 740180014

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Details

Brand
BESTEK
Power Source
Corded
Wattage
300 Watts
Model Name
MRI3011BU
Voltage
12 Volts

Specifications

Brand	BESTEK
Manufacturer	BESTEK GROUP LTD
Model	MRI3011BU
Model Name	MRI3011BU
Model Year	2014
Product Dimensions	12.19 x 7.87 x 4.83 cm; 408.23 g
Item model number	MRI3011BU
Compatible Devices	Laptop
Voltage	12 Volts
Wattage	300 Watts
Power Source	Corded Electric
Batteries Included	No
Batteries Required	No
Number of Ports	2
Total USB ports	2
Connector Type	USB
Includes Rechargeable Battery	No
Manufacturer	BESTEK GROUP LTD
Item Weight	408 g

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?

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TrustScore 4.5 | 7,300+ reviews

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Customer service was outstanding when I had questions about the product.

2 days ago

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Fantastic and great service. Shipping was faster than expected.

1 week ago

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TrustScore 4.5 | 7,300+ reviews

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BESTEK Dual 110V AC outlets and Dual USB 3.1A 300w power inverter car dc 12v to 110v ac inverter dc adapter laptop charger notebook adapter dc charger ac adapter usb charger MRI3011BU

Details

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Have a Question? See What Others Asked

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