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BESTEK

BESTEK 400W Pure Sine Wave Power Inverter - DC 12V to 110V AC Converter, Fast Car Charger Adapter with 30W USB-C/18W Quick Charge/Dual 110V AC Outlet, Car Plug Adapter Outlet for Laptop

    • Based on 63 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon
Arrives Tuesday, Nov 26
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Features

  • Powerful DC to AC Inverter: Converts 12V DC from your car into 110V AC, providing 400W of continuous DC to AC power and 800W peak surge during load start-up. The advanced pure sine wave technology provides high quality AC power equivalent to grid power, which will protect and prolong the life of your electronics and appliances, such as CPAP machines, nebulizers, air pumps, breast pumps and more.
  • PD30W & QC18W Fast Charging: 400W car charger adapter quick charge supports PD30W (USB-C port) and QC18W (USB-A port) high output. The PD 30W port provides fast charging for iphone series phones. The 18W Quick Charge 3.0 port can charge most Android devices from 0% to 80% in 30 minutes.
  • Keep Your Devices Safety Charging: BESTEK 400Watt car power inverter has provided the advanced intelligent circuity safety system to prevent short-circuit, overvoltage, overload, overcurrent, low-voltage and overheating. Equipped with 2 Smart USB charging ports, which detects your devices automatically to deliver its fastest charge speed up.
  • Smart Temperature-controlled Silent Fan: The cooling fan will automatically rotate at different speed according to power load and temperature, this design can help to reduce the fan noise. Also the high speed cooling fan protect the inverter against overheating. Superior to modified sine wave inverter, greater drive capability, better protection to sensitive equipment, less audible and electrical noise, less power consumption.
  • Power Your Outdoor Life: This 400W pure sine wave has 2 AC outlets with PD30W USB-C and QC18W USB-A charging ports and can power up to 4 devices simultaneously. The 400watt power inverter supports most drones, cell phones, iPads, laptops, cameras and other digital devices on the go, as well as power other small appliances/devices such as CPAP medical devices, nebulizers, breast pumps, projectors, TV, speaker, air conditioner, microwave, mini-refrigerator, air pumps, car vacuum cleaners (rated power less than 400W). Great for power outages, emergencies, vacations, cars, RVs, travel trailer, tailgate party, trucks, SUV, Van, or anywhere AC power is needed.
  • 30-Day Hassle-free Return and 18-Month Replacement: To ensure customers have a good shopping experience, we offer a 30-day no-questions-asked return policy and an 18-month gurantee. The BESTEK 400w inverter is the perfect solution for road trips, camping and everyday travel, ensuring you stay connected and powered wherever you go on the road.

Brand: BESTEK


Recommended Uses For Product: Vehicle, RV, Road trips, Camping, Tailgate party


Power Source: Battery Powered


Wattage: 400 watts


Model Name: MRZ4011AU-GY


Product Dimensions: 6.45 x 3.93 x 2.36 inches


Item Weight: 2.35 pounds


Item model number: MRZ4011AU


Date First Available: December 18, 2023


Manufacturer: bestek


Country of Origin: China


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Nov 26

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.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • I'm thoroughly impressed with this inverter!!
I LOVE this 400w Pure Sine inverter! I work out my car a lot and have always used a DC-to-AC power inverter to charge my laptop, iPhone and drone batteries when I'm on the road. This Bestek inverter has completely blown the other ones I have used out of the water! It is amazing and doesn't seem to have any of the problems that the other inverters had. Here are some of my experiences: 1) A lot of the other Inverter brands share a LCD display screen that shows the voltage information, etc. Those inverters would frequently beep at me for seemingly no reason and they showed that the car's voltage was in the 11v range when it was NOT (I tested it with a Fluke multimeter), even if the car and alternator were running. It didn't matter what brand I bought (Everstart, Jupiter, etc) -- If they had that display screen, they were all the same JUNK. Those models can also get quite loud when the fan turns on. My new Bestek 400w pure sine inverter has never "beeped" at me and it always provides consistent clean power. I don't often hear the fan come on and it is relatively quiet when it does. 2) The instruction manual for one of the other inverters stated that if you are using your inverter for recharging a battery (like a drone battery, etc) and the charging unit gets very very hot, you need to use a Pure Sine inverter instead. This Bestek 400w inverter IS a pure sine inverter and it works just fine for charging batteries. 3) I was curious to really put this inverter to the test so I tried connecting my 12" Infinity BU-2 Amplified subwoofer from my home stereo into the 110v AC outlet on the inverter. I played some bass heavy music and this inverter handled it with no problem. I played some insanely bass heavy music at a louder volume and it did pop the 15A fuse for my car's cigarette lighter, but that is to be expected. A car's cigarette lighter in not supposed to support over 15 amps through it's wires. The speaker demanded more than 15A for an instant and the car's fuse popped, by design. I replaced the fuse with a 20A fuse and it hasn't popped since. I know, it isn't a good idea to exceed the design limits of the wiring but it showed me that this inverter IS capable of powering higher powered devices. You can hard-wire more powerful "automotive auxiliary power outlet" directly to the vehicle's battery and then connect the inverter to that one instead. 4) Having a USB type A and a USB type C higher powered charging port is GREAT! Its been about three weeks and I am still very very happy with my purchase and nothing has gone wrong as of yet. I highly recommend this product and no one paid me to write this. Enjoy it! :) ... show more
Reviewed in the United States on June 23, 2024 by Jason
    • As advertised!!
Review Image by Brian R. Brian R.
Very pleased with the power in this little inverter! I use this to keep my high-demand laptop charged and available. I am pleasantly surprised that it handles that and more, especially considering how small and inexpensive it is. Quieter than most other inverters I’ve had and appears to be a good quality product. ... show more
Reviewed in the United States on August 6, 2024 by Brian R. Brian R.
    • Initially… impressed.
Review Image by WESIII WESIII
I can’t speak to its lifespan yet, but initially I am impressed with the build quality and quiet operation. When I say quiet I mean QUIET. It’s much quieter than a 150 watt inverter I have been using. It’s also much larger. (See photo: smaller 150 watt is on top of this one.) Something to consider with an inverter is continuous watts. With nothing plugged in the readout on my “solar generator” ie power bank reads 7 watts and with the fridge plugged in it keeps a more constant 11ish or so watt output rather than the wild swings from 4 watts up to 80 using the smaller 150 watt inverter. Maybe that’s a benefit of sine wave technology? I have no idea. I chose this model because of its design. It just seems more “professional” and less gimmicky. It doesn’t have a weird shape and isn’t brightly colored. It looks like how an inverter should look. So far I am impressed and glad I chose this Bestek model over their other similar sized sine wave inverter. ... show more
Reviewed in the United States on April 22, 2024 by WESIII WESIII
    • Nice inverter except....
It is very well made pure sine wave inverter. Small in size and made of heavy metal (aluminium). However one drawback for me is that the fan runs all the time. Not like other inverter that kicks the fan only when necessary. It is not loud fan but when in quiet environment, it bugs me. Other than that, like I said well made product. ... show more
Reviewed in the United States on August 14, 2024 by Bruce
    • Great so far
I had a 75watt inverter, but needed at least a 240watt for my laptop. I decided to get this due to the 400w size and being sine wave. So far this has worked great. I haven't had the need to use the supplied USB plugs. This would be great if the USB C was also a 100watt output in order to charge my laptop if I forgot the wall plug. 7/30/24: I've been using this 5x a week for other lower power consumption items. Today I needed to charge m y laptop with the 240w power supply. This inverter was not working, it kept faulting with a red led. Reached out a few minutes ago to bestek to see what can be done before I request a refund. 7/31/24: Finally got email back from bestek. I didn't realize that my car couldn't handle the 300w. My vehicle 12v system only has a max 160w output when radio is not in use and 100w when radio is in use. Per bestek I would have to connect the inverter straight to battery to get the full power of the inverter. Not sure if I'm going to go that route yet. So make sure your car can handle the power you are trying to get out of it. ... show more
Reviewed in the United States on July 7, 2024 by Governator
    • Did not work in my application to charge a Bluetti
Here is my use case. I have 1997 Toyota Land Cruiser and I wanted to charge a Bluetti AC180 portable power station. Normally if you are trying to charge these through the car's 12-volt outlet you can expect about 100 watts of charging power. The Bluetti has an 1152-watt hour capacity so at 100-watt charging that would take a long time. I need something that can charge quicker with more power so I bought the Bestek 400W Pure Sine Wave Power Inverter to charge it with the AC input. I tested it in the car and as Blutti was approaching 200 watts of input from the Bestek, the Bestek would turn off because it was drawing too much power from the alternator. With this Bestek model, there is no way to connect it directly to the battery. I don't know if that would help at all anyway. So for my use case, this won't work, unfortunately. So your use case might be different but what I found is that if you are trying to use more than 150 watts from this you might be taxing your car's charging system and the unit will turn off. ... show more
Reviewed in the United States on August 20, 2024 by John Naughton
    • Sturdy.
I run this for hours at 300 watt loads and it barely gets warm.
Reviewed in the United States on June 14, 2024 by Elrabin
    • Works and is QUIET
Awesome gadget , it's quiet and does the job to convert d.c. to a.c. for small appliance while camping
Reviewed in the United States on May 19, 2024 by joe

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