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BESTEK 300W Power Inverter DC 12V to 110V AC Car Inverter with 4.2A Dual USB Car Adapter
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Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
Purchase options and add-ons
Brand | BESTEK |
Recommended Uses For Product | Vehicle |
Power Source | DC |
Wattage | 300 watts |
Model Name | MRI3011BU |
About this item
- BESTEK Advantage: America's leading power inverter brand. 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 USB charging ports (0-2.4A) 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. 24 inch cigarette lighter plug makes the power inverter can be plugged into almost any vehicle
- Multi-Protection: built-in 40 amps fuse to protect your device. Safe charging design provides protection against, overheating, under and over voltage charging, short circuiting
- Durable metal housing 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. 60-Months Warranty
- 【60 Months 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.
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This Item BESTEK 300W Power Inverter DC 12V to 110V AC Car Inverter with 4.2A Dual USB Car Adapter | Recommendations | dummy | dummy | dummy | dummy | |
Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | |
Price | $29.99$29.99 | $38.74$38.74 | $26.19$26.19 | -10% $26.99$26.99 Typical: $29.99 | -28% $17.99$17.99 List: $24.99 | -28% $32.98$32.98 List: $45.99 |
Delivery | Get it as soon as Sunday, Mar 17 | Get it as soon as Sunday, Mar 17 | Get it as soon as Sunday, Mar 17 | Get it as soon as Sunday, Mar 17 | Get it as soon as Sunday, Mar 17 | Get it as soon as Sunday, Mar 17 |
Customer Ratings | ||||||
Noise level | 4.4 | 4.1 | 4.0 | — | 4.1 | 3.9 |
Value for money | — | 4.3 | 4.0 | 4.1 | 3.9 | 4.1 |
Cord length | 4.4 | — | — | 4.5 | 4.0 | 3.7 |
Easy to use | — | 4.6 | 4.7 | — | 4.3 | 4.3 |
For traveling | — | 4.5 | 4.2 | — | 3.8 | 3.9 |
Sold By | BESTEK. | BESTEK. | FOVAL | BESTEK. | Pisfau | GEARGO Direct |
power outlets | 4 | 4 | 6 | 4 | 3 | 4 |
output voltage | 110 volts | 110 volts | 110 volts | 110 volts | 110 volts | 110.0 volts, 120.0 volts |
input voltage | 12 volts | 12 volts | 12 volts | 12 volts | 12 volts | 12 volts |
output power | 300 watts | 200 watts | 200 watts | 300 watts | 150 watts | 400 watts |
weight | 0.63 pounds | 12 ounces | 180 grams | — | 0.6 ounces | 0.88 pounds |
Product Description
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USA BASED SUPPORTBESTEK provide 5-year product repair policy and our fast-response service will solve all your inquiry and problem, please don't hesitate to ask Amazon. |
2 USB-A 2AC PLUG
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Widely Compatibility
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BESTEK Advantage
America's leading power inverter brand. Provides 300 watts continuous DC to AC power and 700 watts of peak power
BESTEK 300W Car Power Inverter (Red)
BESTEK Power Inverter with 2 USB ports and 2 AC outlet, only for DC 12V and Car, not applied for DC 24V and airplane use. For charging your iPad, please use the 2.1A USB port and keep the other USB port free. It's normal for the inverter to become warm to the touch while you are using it, avoid placing the inverter in direct sunlight or next to heat-sensitive materials. Do not use to power high power electric devices such as hair dryers, electric heaters, which might blow a fuse.
- Isolation Voltage Protection
- Dual-USB 4.2A Output
- Multi-Protection
- Aluminum Alloy Housing
- Durable Cigarette Lighter
- Top Speed Charging
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Aluminium Alloy HousingBESTEK power inverter outshell is made of Aluminium alloy, solid and durable,can stand up to all kinds of severe environment, protect the internal components. |
Smart Cooling FanSmart 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. |
Isolation Voltage ProtectionSafe charging design provides protection against, overheating, under and over voltage charging, short circuiting, overloads, and overcharging. |
Quick USB ChargingWith 2 Smart USB charging port, can intelligently detect your devices and deliver best matched charging current to get fast charging speed.Auto 0-2.4A each port, total 4.8A output. |
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Durable Cigarette LighterThe lighter socket is resistant to up to 5000 times of insertion and extraction.Enjoy a safe,reliable charger on the go.Secure plug-in buckle design with stable current, and built-in usb charging ports. |
Top Speed ChargingMade of high quality materials which provides high-speed charging from your car. 24 inch cigarette lighter plug makes the power inverter can be plugged into almost any vehicle. |
Power On LED Strip LightsIt can power on your LED Lights anywhere for Christmas and other festivals to create a great atmosphere. |
BESTEK AdvantageAmerica's leading power inverter brand. Provides 300 watts continuous DC to AC power and 700 watts of peak power. |
BESTEK 300W Pure Sine Wave Power Inverter (Black) | BESTEK 300W Car Power Inverter, with USB-C PD 20W, DC 12V to 110V AC Car Plug | BESTEK 500W Pure Sine Wave Power Inverter (Red) | BESTEK 300W PSW Power Inverter (Red) | BESTEK 150W Power Inverter (Blue) | BESTEK 75W Power Inverter (Black and silver) | |
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Color | Black | Red | Red | Red | Blue | Black and silver |
Power | 300W | 300W | 500W | 300W | 150W | 75W |
isolation voltage protection | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
USB Port | 4.2A Dual USB | 4.2A Dual USB | 4.2A Dual USB | 4.8A Dual USB | 4.2A Dual USB | 3.1A Dual USB |
Material | Aluminum Alloy Housing | Aluminum Alloy Housing | Aluminum Alloy Housing | Aluminum Alloy Housing | Aluminum Alloy Housing | Aluminum Alloy Housing |
Speed charging | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Dimension | 8.1 x 5.3 x 2.6 inches | 8.1 x 5.3 x 2.6 inch | 8.7 x 4.3 x 2.4 inches | 7.3 x4.3 x 2.5 inches | 5.0 x 4.0 x 2.0 inches | 5.5 x 2.4 x 1.6 inches |
Feature | Smart cooling fan, ETL listed | Smart Cooling fan | Smart cooling fan | Smart cooling fan | Smart cooling fan, ETL listed | Smart cooling fan, ETL listed |
What's in the box
Product information
Product Dimensions | 4.8 x 3.1 x 1.9 inches |
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Item Weight | 10.1 ounces |
ASIN | B004MDXS0U |
Item model number | MRI3011BU |
Customer Reviews |
4.5 out of 5 stars |
Best Sellers Rank | #252 in Automotive (See Top 100 in Automotive) #2 in Power Inverters |
Is Discontinued By Manufacturer | No |
Date First Available | February 5, 2011 |
Manufacturer | BESTEK |
Warranty & Support
Feedback
Videos
Videos for this product
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5 Year Review of BESTEK 300W Power Inverter
Andrew Boetjer
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Product guides and documents
Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the value, charging, and size of the power inverter. They mention that it gives way more output for less money, works great for charging their laptop, and is a relatively small compact charger. They appreciate the performance, saying it works great and does the job with no noise, no overheating, and does it perfectly over several hours. Customers also appreciate the quality, and portability. That said, opinions are mixed on power and noise.
AI-generated from the text of customer reviews
Customers like the performance of the power inverter. They say it works well, is handy, and has pretty good performance. Some say that the inverters appear flawless so far after 3 months of 3-4x's weekly (4 hours) use, and that all was perfect over several hours.
"...The inverter itself is compact, easy to use, and really delivers on performance...." Read more
"Wish the cord was a little longer, but it works like a charm. We've ran a laptop on it during longer road trips for the kids to watch movies...." Read more
"...cheap square wave inverters come in handy, and this one has pretty good performance, and even survived brief polarity reversal..." Read more
"...It was very quiet, didn't heat up, and served my purposes well. It also looked to be assembled and finished off correctly." Read more
Customers like the quality of the power inverter. They say it's well-made, hasn't overheated, and provides steady power. The fan helps keep the invertor cool, which is appreciated more than total silence. It's a great little inverters to have for special events out tailgating. Overall, customers are happy with the quality and functionality of the product.
"...It's made our travel experiences smoother and more comfortable, knowing we can power what we need, when we need it...." Read more
"...players, iPads, and phones, often all at the same time, while providing steady power and not overheating, thanks to its built-in fan...." Read more
"...Includes two USB portsAnd the cons are:The fan does not kick-in only when there's a heavy load, it's always on when the inverter..." Read more
"...Charges several devices at once with a pretty good charge time and not overheating." Read more
Customers like the portability of the power inverter. They mention that the 2 USB ports are a big plus, it provides power to the USB ports even when the invertor is off, and that it has USB charging hubs. The option of two plugs and two USB-A outlets gives customers enough options for charging USB devices and laptops that require under 160 watts.
"...What I personally love about this inverter are the built-in USB-A ports...." Read more
"...I got this after taking a look at reviews online and it's perfect for working in the car...." Read more
"...It's great for charging USB devices, as well as a laptop which requires under 160 watts (in my case)...." Read more
"...Specs: It plugs into the cigarette port or any of the 12 V auxiliary power outlets that may be in your vehicle...." Read more
Customers like the charging power of the power inverter. They mention that it is a dream to charge up their iPod and cell phones while traveling. They say it is easy to install and is able to charge their laptop, phone, and other devices using it. Some say the charging speed is about average, but it is not super fast. Overall, customers find the recharge device to be great and useful for charging cell phones and using a laptop from time to time.
"...They're perfect for charging our devices without needing to juggle extra adapters...." Read more
"...Charges several devices at once with a pretty good charge time and not overheating." Read more
"...terminals, and you have yourself a portable power supply that can be recharged quickly, and be deep cycled...." Read more
"...Everything charges just fine." Read more
Customers like the size of the power inverter. They say it is a nice small size for a 300-watt invertor, and it fits nicely in their car. Some say it's the perfect size to stick in their center console. They also mention it is easy to store and power their electronics. It is not heavy, but heavier than a laptop adapter, and is easy for customers to position in front or back seat as desired.
"...The inverter itself is compact, easy to use, and really delivers on performance...." Read more
"...Provides plenty of power at a very low price 300WattsIt's a relatively small for the wattage provides..." Read more
"...It's compact, easy to use. I use it to charge my computer and many other items." Read more
"...This inverter works well in my other cars. Is lightweight yet still built solid. Quality materials used-work well on this 300 watt inverter...." Read more
Customers like the value of the power inverter. They say that it works well for the price, provides good charge, and is a fraction of the size and price of other brands. Some customers also mention that it has lasted 8 years and is in perfect condition.
"...Provides plenty of power at a very low price 300WattsIt's a relatively small for the wattage provides..." Read more
"Solid inverter for the money. Powers everything I need it to and has held up over time." Read more
"Excellent for the price, works great. Doesn't crap out like the low-amp models" Read more
"...Amazed with how well it works for the price. I never even write reviews but I am so excited because this is exactly what I was looking for...." Read more
Customers are mixed about the noise of the power inverter. Some mention that it is quiet, while others say that it produces a loud fan noise over 100 watts. The internal fan is barely audible, and it serves their purposes well. However, some customers say that the blower is louder and there is a very loud rattling sound when the fan turns on.
"...It was very quiet, didn't heat up, and served my purposes well. It also looked to be assembled and finished off correctly." Read more
"...there's a heavy load, it's always on when the inverter is on, and it is loud..." Read more
"This is a great product. It works great. It is very quiet. I was worried about the noise from the fan, but that was not an issue at all...." Read more
"...They do make a small humming noise...." Read more
Customers are mixed about the power of the power inverter. Some mention that it provides plenty of power at a very low price, while others say that the power draw was too much and blew their power socket fuse. They also say that it is quiet, powerful, and sleek, and perfect to keep laptop charge while traveling in car. However, some say that they are disappointed with the power and that it's only meant to power little things.
"...So the way I see if the pros are these:Provides plenty of power at a very low price 300Watts..." Read more
"...It delivers full rated power and works perfectly!" Read more
"...Turns out this is only meant to power little things and I was devastated...." Read more
"...It worked great and had enough power. I’m sure I will use it for other things." Read more
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Top reviews
Top reviews from the United States
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I think the few people who have had problems with this are either trying to use it with devices that draw too many amps, and/or their car's electrical system is limited and not designed for such an inverter (see further explanation below. So my advice is:
1. Stick to the devices it (and your car's electrical system) were designed to provide power for, and avoid amp-hungry appliances like power tools and coffee makers I've seen mentioned in the low reviews (SMH).
2. Check the specifications of your car's electrical system and its output from its cigarette lighter outlets before you buy this inverter, and before you jump to blaming this inverter when things go wrong.
Car cigarette lighters are practically never designed to be on a circuit all by themselves, and depending on the car model the cigarette lighter could be on the same circuit only with low-draw components like dashboard lights and overhead interior lights (many of which would not necessarily even draw current at the same time that often), or it could be on the same circuit as a high-draw component like, say, your car's air conditioning system. That is going to make a big difference as to how much additional load that circuit your cigarette lighter is able to handle, and thus will affect what you can plug into the inverter.
I personally have used this in a 2011 Toyota Venza, 2011 Chevy Malibu, 2017 Mazda 6, and a rental in 2016 that was either a Chevy Tahoe or GMC Yukon, and again, never had any issues in any of these cars, but other vehicles (including newer generations of these same models) may have the issues I mentioned above.
While it's still looks cheaply assembled and the USB ports are still misaligned, it turns out the fuse between the lighter socket to the battery went out, so this didn't actually break when I reversed the polarity accidentally, as I thought it had. I wouldn't jump to the conclusion that it has reversed polarity protection since it did take the lights down and blew a fuse that I had connected to the socket, but at least it survived the incident which is more than I can say for a lot of other inverters. Once I realized it still works I tested it out with a 100 Watt fluorescent bulb. It passed with flying colors.
So the way I see if the pros are these:
Provides plenty of power at a very low price 300Watts
It's a relatively small for the wattage provides
Doesn't seem to have a problem with picky loads like fluorescent lightbulbs, even big ones.
Includes two USB ports
And the cons are:
The fan does not kick-in only when there's a heavy load, it's always on when the inverter is on, and it is loud
The cigarette lighter plug has no fuse in it (I do not know whether there is a fuse inside of the unit itself)
I live off-grid for several reasons, so I always like to have plenty of power inverters around. Although I prefer to use pure sinewave inverters, these little cheap square wave inverters come in handy, and this one has pretty good performance, and even survived brief polarity reversal (there was a 25 amp fuse between the socket and the battery)
There are lots of portable power sources that sell for hundreds of dollars that basically consist of a cheap universal SLA 12v battery, a charger and a power inverter, you could build one of your own item would using this item as the power inverter and maybe a couple small Odyssey motorcycle dual-use deep-cycle and starting batteries like the 12AH PC545 Odyssey PC545 Powersports Battery use a charger like the Schumacher Schumacher SC-600A SpeedCharge High Frequency Battery Charger with quick disconnect terminals, and you have yourself a portable power supply that can be recharged quickly, and be deep cycled. If you put a 20 W solar panel Ramsond® 20 Watt 20W W Solar Panel Module 12V Nominal Output RV Boat Battery Charger Charging Trickle Boat and add a cheapo 7 A charge controller Sunforce 7 Amp Charge Controller you have yourself portable emergency power for a fraction of what a completed solution would cost. That is what I will be using this unit for, since it is too noisy for just charging my phone when I am in a car, and its a good match for the above application.
Top reviews from other countries
Well built and solid. I use it in my truck and its a great product.