BESTEK 300W Power Inverter – DC 12V to 110V AC, 4.2A Dual USB Car Adapter

Harness the Power Anywhere: 300W Universal Travel Adapter and Car Inverter with Dual USB Ports

(203 customer reviews)

$29.99

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Rating: 4.5 out of 5 stars
Opinions & Reviews: 31739
Product Videos: 6
SKU: B004MDXS0U/com Category:

Product Features and Description

  • Top-Ranked Brand: BESTEK power inverter is a leading brand in America known for its high-quality power inverters. It offers 300 Watts continuous DC to AC power and 700 Watts instantaneous power, featuring 2 AC outlets and 2 USB ports.
  • Quick Charging: The BESTEK power inverter comes with two 110V AC outlets perfect for charging larger devices like laptops and tablets, along with 2 USB charging ports (0-2.4A), making it an excellent choice as a necessary car accessory for universal travel adapter.
  • Portable Design: The power inverter from BESTEK is designed to be ultra-compact and lightweight, similar in size to an iPhone, making it ideal for vacations, work trips, and camping. It includes a 24-inch cigarette lighter plug that allows it to be plugged into almost any vehicle.
  • Comprehensive Protection: The BESTEK power inverter comes with a built-in 40 amps fuse for device protection. Its safe charging design offers protection against overheating, under and over-voltage charging, and short-circuiting.
  • Durability and Silent Operation: The power inverter has a durable metal housing that provides superior protection from drops and bumps. Its smart cooling fan system ensures silent operation. The fan speed increases when the device heats up or when the output power exceeds 70W. It also comes with an 18-month warranty.
BESTEK Power Inverter, a 300W DC 12V to 110V AC Car Inverter

The BESTEK Power Inverter, recognized as America’s top power inverter brand, ensures a reliable transformation of 300 watts continuous DC to AC power and delivers a peak power of 700 watts. This premium product, specifically designed for DC 12V and Car use, is not compatible with DC 24V and airplane use. Boasting of 2 USB ports and 2 AC outlets, it provides an efficient solution for powering your devices on the go. However, it’s recommended to keep one USB port free when charging your iPad through the 2.1A USB port.

The power inverter’s exterior is made of high-quality Aluminium alloy, ensuring a solid and durable structure that can withstand severe environments. Its smart cooling fan system ensures silent operation, with the fan speed increasing when the device gets warmer or when the output power exceeds 70W. This design provides protection against overheating, under and over voltage charging, short circuiting, overloads, and overcharging. It also includes two smart USB charging ports that can intelligently detect your devices and deliver the best-matched charging current for fast charging speed. Each port offers auto 0-2.4A, with a total output of 4.8A.

The BESTEK Power Inverter also functions as a universal travel adapter, making it a perfect companion for long trips. The 24-inch cigarette lighter plug allows the power inverter to be plugged into almost any vehicle, transforming it into a universal power inverter for car adapter. With a lighter socket that can withstand up to 5000 insertions and extractions, it ensures a stable and secure connection. Built-in USB charging ports and a plug-in buckle design provide a stable current for high-speed charging. Its unique ability to power LED lights makes it ideal for creating festive atmospheres during Christmas and other celebrations.

Universal Travel Adapter with BESTEK 300W Power Inverter

Unleash the Power: Exploring the BESTEK 300W Power Inverter

Don’t miss our latest video showcasing the exceptional BESTEK 300W Power Inverter. Discover its unique features and witness how this gadget can enhance your car’s functionality!
Watch more videos about “BESTEK 300W Power Inverter DC 12V to 110V AC Car Inverter with 4.2A Dual USB Car Adapter” here.
  • Product Dimensions: 4.8 x 3.1 x 1.9 inches
  • Item Weight: 10.1 ounces
  • ASIN: B004MDXS0U
  • Item model number: MRI3011BU
  • Best Sellers Rank: #514 in Automotive (See Top 100 in Automotive) #6 in Power Inverters
  • Is Discontinued By Manufacturer: No
  • Date First Available: February 5, 2011
  • Manufacturer: BESTEK
  • Country of Origin:
  • Brand:
  • Model:
  • Manufacturer Part Number:
  • Voltage: 12 to 110 volts
  • Wattage: 300w
  • Package Dimensions:
BESTEK Power Inverter, a 300W Car Inverter with 4.2A Dual USB Car Adapter

Navigating the Trade-offs: The Upsides and Downsides of the Product

Several customers have expressed satisfaction with the product, citing its usefulness for a range of applications. A customer, Nkarna, mentioned how the product served as an excellent inflator for an air mattress during a camping trip, scoring it a 5-star rating. Similarly, Tina Garbarino claimed it to be the best power inverter she had used after going through three others. She also pointed out that it’s a product you can’t cheap out on, indicating its quality.

The compact size and charging capabilities of the product also seem to have won over many users. Richard Kearney commended the product for its efficiency, allowing him to use Bluetooth in his 2003 Tacoma. Another user, Michael, applauded the product’s portability, stating that it worked well with his small laptop in his car. Users also appreciated the inverter’s low noise level while in use.

Furthermore, the product’s long-term performance and durability have also been highly praised. As noted by user T. Estrick, the product has remained sturdy, durable, and reliable even after several years of use. For Krystal, it has become a constant companion during car trips and camping, used frequently to charge a computer and phone.

Despite the numerous positive reviews, the product has also received its share of criticism. Several customers expressed disappointment over the product’s reliability and functionality. For instance, user Mumbles complained about the product going into fault mode without anything plugged in. Nursing101 shared a similar experience, stating that the product did not work the first time it was used right out of the box.

Other users have had issues with the product’s longevity and its impact on other devices. Derek Ramp, for instance, lamented how the product burned through three fuses in his truck after just two uses. Another customer, Just me, was upset that the product broke the auxiliary power outlet in their new car after one use.

Lastly, some customers questioned the product’s power capabilities. Charles Stark noted that the product doesn’t do anything a cigarette adapter wouldn’t do and that it doesn’t power much. Mike also reported that the inverters do not work properly, turning on and off every second, making it impossible to charge. He further criticized the company’s customer service for not responding to messages for help or warranty.

What do the stars speak of?

Opinions about this product were divided in such a proportion among the buyers.

Five Stars: 77%
Four Stars: 13%
Three Stars: 4%
Two Stars: 2%
One Star: 5%
The most helpful positive feedback Reviewed in the United States on June 28, 2023 by Cindy Sisneros, and is titled “Great for air mattress”
I was really worried because I have an air mattress that has a built in pump, i didn’t know if that was going to be an issue. But damn! This thing really pulled through and did an amazing job. Totally need this if you’re inflating beds/floats on a camping trip. Totally awesome.
Customer Rating: 5
Helpful Rate: 4
People find the following negative one quite helpful. Reviewed in the United States 🇺🇸 on July 20, 2023 by Mumbles, titled “Faults”
Goes in fault mode without anything plugged in! 🤬
Customer Rating: 1
BESTEK 300W Power Inverter, a Universal Travel Adapter for Car

Queries & Clarifications: All You Need to Know

1. How does the BESTEK 300W power inverter for car work?

The BESTEK 300W power inverter works by converting DC 12V power from your car’s battery into AC 110V power. This allows you to power or charge devices such as laptops, phones, tablets, and other electronic devices in your car. The inverter plugs into your car’s cigarette lighter socket and has 2 USB ports and 2 AC outlets for connecting your devices.

2. Is the BESTEK 300W power inverter a universal adapter?

Yes, the BESTEK 300W power inverter can be considered a universal adapter as it can be used to power or charge a wide range of electronic devices. However, it’s essential to note that the inverter is designed for use with DC 12V and cars only. It’s not suitable for DC 24V and airplane use.

3. Can the BESTEK 300W power inverter handle high power electric devices?

No, it’s not recommended to use the BESTEK 300W power inverter to power high power electric devices such as hair dryers and electric heaters. These might draw too much power and blow a fuse in the inverter.

4. Is the BESTEK 300W power inverter safe to use?

Yes, the BESTEK 300W power inverter is safe to use. It features a safe charging design that provides protection against overheating, under and over voltage charging, short circuiting, overloads, and overcharging. Its aluminium alloy shell also protects the internal components from severe environments.

5. Does the BESTEK 300W power inverter get hot during operation?

It’s normal for the inverter to become warm to the touch while you are using it. The inverter has a smart cooling fan system that operates silently and runs faster when the device gets warmer or when the output power exceeds 70W to keep it cool.

6. How many devices can the BESTEK 300W power inverter charge at the same time?

The BESTEK 300W power inverter has 2 USB ports and 2 AC outlets, so you can charge or power up to four devices at the same time. However, it’s important to ensure that the total power consumption of the devices does not exceed the inverter’s capacity.

7. Can the BESTEK 300W power inverter be used for long road trips?

Yes, the BESTEK 300W power inverter is an ideal choice for long road trips. It can keep your devices powered or charged during your trip, and its durable design allows it to withstand the rigours of travel.

8. How long is the cable that connects the BESTEK 300W power inverter to the car’s cigarette lighter socket?

The cable that connects the BESTEK 300W power inverter to the car’s cigarette lighter socket is 24 inches long. This gives you some flexibility in where you place the inverter in your car.

BESTEK Power Inverter, a 300W DC 12V to 110V AC Inverter with USB PortsBESTEK 300W Power Inverter, a Universal Travel Adapter with 2 AC Outlets and 2 USB Ports

Additional information

Product Dimensions

4.8 x 3.1 x 1.9 inches

Item Weight

10.1 ounces

ASIN

B004MDXS0U

Item model number

MRI3011BU

Best Sellers Rank

#514 in Automotive (See Top 100 in Automotive) #6 in Power Inverters

Is Discontinued By Manufacturer

No

Date First Available

February 5, 2011

Manufacturer

BESTEK

Voltage

12 to 110 volts

Wattage

300w

203 reviews for BESTEK 300W Power Inverter – DC 12V to 110V AC, 4.2A Dual USB Car Adapter

  1. Linda T

    Didn’t charge scooter battery

    Used it once, tried to charge a mobility scooter battery that should have worked with it but it didn’t charge it at all. Main reason for getting it.

    Reviewed in the United States on August 24, 2023
  2. Michael Andor

    awesome

    always dependable, grateful i bought it

    Reviewed in the United States on August 21, 2023
  3. M. Murdock

    Can play my ROG Ally on the go.

    No need for a battery pack if you’re riding in the car. This inverter works great for playing my ally in turbo mode while traveling.

    Reviewed in the United States on August 18, 2023
  4. Lori Ballantini

    Exactly what I needed!

    works great! Charges my ipad so much faster, which is exactly what I needed. should have bought one of these a long time ago.

    Reviewed in the United States on August 14, 2023
  5. Steph I.

    Useful

    Needed for camping trip to blow up my mattress. Worked great!

    Reviewed in the United States on August 8, 2023
  6. Gretchen Ratcliff Sawyer

    Excellent Device to Have

    I work remotely and often times I’m in transit and actually park and do mtgs from my car. This allows me to keep my computer devices charged.

    Reviewed in the United States on August 4, 2023
  7. James Dias Plumbing Inc

    Nice size, well made

    Has enough watts to power what I needed, I like the smaller size and seems well built

    Reviewed in the United States on August 4, 2023
  8. Roger

    Bad quality don’t buy

    It’s already broken after using it a couple times. Don’t recommend buying! Bad experience!

    Reviewed in the United States on August 4, 2023
  9. Erica

    Car outlet

    Love this, it works amazing. Had no issues with it.

    Reviewed in the United States on August 4, 2023
  10. Tim

    That it works

    So far so good used it to power a box fan in my trailer no issues

    Reviewed in the United States on August 2, 2023
  11. Steve

    CHARGES LAPTOP AND 2 PHONES WELL

    Great inverter. I am able to charge a 240W laptop and 2 phones at the same time with this inverter. Only thing to keep in mind is make sure you have this on a circuit that is on at least a 20a fuse

    Reviewed in the United States on August 1, 2023
  12. James Stacy

    Good but has 60cycl noise

    Produces loud fan noise over 100watts

    Reviewed in the United States on July 28, 2023
  13. jose

    Broke my cars cigarette lighter

    The media could not be loaded. Trash product doesn’t work I plugged it in to my car the creen light turned on for q second and now my cigarette lighter output stoped working completely

    Reviewed in the United States 🇺🇸 on July 27, 2023
  14. Amazon Customer

    Works great

    Delivered on time n works great

    Reviewed in the United States 🇺🇸 on July 26, 2023
  15. Adolfo

    Perfecto

    Muy bueno

    Reviewed in the United States 🇺🇸 on July 25, 2023
  16. Noneya

    BLEW OUT ALL MY CAR OUTLETS

    I like that the item arrived fast but barely got to use it. I plugged the device into my car outlet in the back it blew the fuse in the outlet not thinking it was the device i moved to the front of my car to use it. IT BROKE AND BLEW THE FUSE FOR THE FRONT OUTLET AS WELL! NOW I’M CALLING AROUND TO SEE WHICH CAR DEALERSHIP CAN FIX IT ASAP AS ITS necessity to charge our phones & other things

    Reviewed in the United States 🇺🇸 on July 24, 2023
  17. Thomas Ronan

    Works great!

    Charges my phone fast and works great for powering up the laptop when the battery gets low.

    Reviewed in the United States 🇺🇸 on July 24, 2023
  18. Benton Parrott

    Whisper quiet

    Quiet and charges laptop quickly while I’m working.

    Reviewed in the United States 🇺🇸 on July 24, 2023
  19. T Parker

    Fan rattles – a lot

    This works for the purpose, and has now lasted a few years. However, the fan rattles a LOT. Some careful positioning of the device (angle, orientation, etc.) can help reduce it, and it’s generally tolerable as background noise, but the product really could be improved with a better fan

    Reviewed in the United States on July 23, 2023
  20. Stephan Howe

    Doesn’t work.

    This inverter worked twice then crapped out.

    Reviewed in the United States on July 23, 2023
  21. Nkarna

    Worked perfect to inflate my air mattress

    Bought it for a camping trip and it worked perfect to inflate the air mattress

    Reviewed in the United States on July 20, 2023
  22. nursing101

    Didn’t work

    Did not work the very first time I used it out of the box.

    Reviewed in the United States on July 20, 2023
  23. Mumbles

    Faults

    Goes in fault mode without anything plugged in! 🤬

    Reviewed in the United States on July 20, 2023
  24. Tina Garbarino

    Best one I’ve had yet. I’ve been through 3 others

    If you want a simple and good power inverter, then this is for you. This is one of those things you can’t cheap out on.

    Reviewed in the United States on July 19, 2023
  25. Lorena Z

    Works great

    Works great

    Reviewed in the United States on July 19, 2023
  26. michael

    Portable charging

    Works well enough with small laptop in my car. Haven’t tested the limits of its output but it works flawlessly so far. Little to no noise created while in use

    Reviewed in the United States on July 17, 2023
  27. Richard Kearney

    Quality and price

    Works great Now I can blue tooth in my 2003 Tacoma !! 🙂

    Reviewed in the United States on July 17, 2023
  28. Charles Stark

    Buy a $5 adaptor.

    Looks big and beefy. Doesn’t do anything a cigarette adaptor won’t do. Doesn’t power crap.

    Reviewed in the United States on July 16, 2023
  29. Pablo

    Good charger

    Pretty good small compact charger, which worked well on long car trips.

    Reviewed in the United States on July 14, 2023
  30. Doug

    110v RV tv to 12v

    Every time we wanted to watch a movie in the camper when boondocking, we would have to start up the generator. Now we just use this low cost inverter to run the tv. The dvd player/entertainment center are 12v. Not wanting to purchase a 12 V TV. This was a great solution. Would definitely recommend!!

    Reviewed in the United States on July 13, 2023
  31. Derek Ramp

    Junk. Only lasted two uses.

    Worked fine the first few times I used it. Now I can’t even plug it in to my 12V outlet (even without anything plugged in to it) without blowing a fuse in my truck. All other 12V accessories work fine, including my wife’s inverter, but this thing has burned through 3 fuses.

    Reviewed in the United States 🇺🇸 on July 12, 2023
  32. Tracy Krasczyk

    Charges faster than the wall at home!

    We got this for a long road trip, charged all our devices like a champ. Zero issues. Would highly recommend.

    Reviewed in the United States 🇺🇸 on July 11, 2023
  33. Leo M

    Stopped working one year later

    Bought this last year for our camping trip; took it back again for our annual trip and it just wouldn’t work. It worked once. It stopped working one year later…this is ridiculous.

    Reviewed in the United States 🇺🇸 on July 10, 2023
  34. Antonio B

    Fast charging on the go

    I bought this to charge my drone batteries because I work out in the field and this thing has been amazing. I’ve forgot about three months of view, side of it so far and not a single issue.

    Reviewed in the United States 🇺🇸 on July 8, 2023
  35. Tanya turner

    Compact and effective

    I got this to use my laptop charger in the car in order to work remotely before dr appts. Simple to use, compact and easy to store, and powers my electronics with no power.

    Reviewed in the United States 🇺🇸 on July 8, 2023
  36. Jamie B.

    Works great

    We use it in the car to charge a laptop while traveling. Works great

    Reviewed in the United States 🇺🇸 on July 7, 2023
  37. Mike

    Bestek inverters do not work properly and they will not respond to requests for support or warranty.

    Their inverters do not work properly. They turn on and off every second and will not charge. The company does not respond to messages for help or warranty. Beware of this company.

    Reviewed in the United States 🇺🇸 on July 7, 2023
  38. Just me

    Product Blew my Auxillary Power Outlet

    This product broke the auxillary power outlet after trying to use it one time. I bought my car 3 weeks ago with only 23 miles on it. It is brand new and I charged my phone with no issue prior to this product. I’m pissed.

    Reviewed in the United States 🇺🇸 on July 4, 2023
  39. Krystal

    love this

    i use this all the time in the car to charge my computer for work phone when we go camping ect.

    Reviewed in the United States 🇺🇸 on July 2, 2023
  40. T. Estrick

    Excellent!!!

    Excellent!!! …Sturdy, durable and reliable …Still works after several years and several uses.

    Reviewed in the United States 🇺🇸 on July 2, 2023
  41. Greg

    Item as described

    Item as described

    Reviewed in the United States on July 1, 2023
  42. Virginia M. Rogers

    Charge in the car

    We need outlets for medical equipment in car to keep batteries charged. This is my second unit and am very happy with it!

    Reviewed in the United States on July 1, 2023
  43. fabby

    Did not work

    I really needed something like this to charge a laptop in the car. It just did not work!

    Reviewed in the United States on June 30, 2023
  44. Jason Mobley

    Great product

    Great for the car, long trips, camping. Works great for laptops, phones!

    Reviewed in the United States on June 29, 2023
  45. Gary C.

    Solid

    Manufacturing is excellent, sturdy.

    Reviewed in the United States on June 29, 2023
  46. Cindy Sisneros

    Great for air mattress

    I was really worried because I have an air mattress that has a built in pump, i didn’t know if that was going to be an issue. But damn! This thing really pulled through and did an amazing job. Totally need this if you’re inflating beds/floats on a camping trip. Totally awesome.

    Reviewed in the United States on June 28, 2023
  47. To

    Powers my RV TV

    I like that it only pulls the watts my TV uses. It is quiet, I can’t even hear it. I wish it had rubber feet or some way to mount it.

    Reviewed in the United States on June 27, 2023
  48. Amazon Customer

    Doesn’t work

    This product is unreliable. We purchased one and after 3 uses, the power coming from the inverter “fluttered”, turning on and off and on and off every 3-5 seconds. This doesn’t give enough power to keep things like a laptop from draining. It won’t even keep a battery from draining (eg maintain a % charge), the battery % just keeps going down and down. Does not meet our needs for a car based laptop charger so we can work on the go.

    Reviewed in the United States on June 26, 2023
  49. len epworth

    Great value

    Sturdy, compact, good long cord and I like the 2 plugs.

    Reviewed in the United States on June 23, 2023
  50. Fernando

    Reproductor

    Me gusta es bueno

    Reviewed in the United States on June 22, 2023
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