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Customer Ratings & Reviews

Customer reviews

Rating 4 out of 5 stars with 315 reviews

Rating Filter

Rating by feature

  • Value

    Rating 4.1 out of 5 stars

  • Quality

    Rating 4.1 out of 5 stars

  • Ease of Use

    Rating 4.2 out of 5 stars

Pros mentioned filter

Cons mentioned filter

77%would recommend to a friend

Customers are saying

Customers commend the POWER 500 Watt Power Inverter for its reliable power output, convenient USB charging, and overall performance. Users appreciate its ease of use, reasonable price, and compact size, making it suitable for various applications. However, some customers have reported concerns about excessive noise and potential battery drain.

This summary was generated by AI based on customer reviews.

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 4 Showing 61-80 of 315 reviews
  • Pros mentioned:
    Usb

    Rated 5 out of 5 stars

    Great power!!

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    Posted . Owned for 1 year when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This little cobra does everything you would expect and more. Runs my laptop and battery chargers on the job with items used thru usb plugs. Great product.

    I would recommend this to a friend
    • Brand response from Cedar Electronics Team
      Posted .

      Thank you for the great review! We are happy to hear that you are enjoying it! cedarelectronics-cobra

  • Pros mentioned:
    Power output, Usb

    Rated 5 out of 5 stars

    Cobra Power Inverter

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Provides reliable power to operate and charge my laptop when i am in the field and also charges my drone batteries.

    I would recommend this to a friend
  • Rated 4 out of 5 stars

    Pretty good purchase

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Works pretty good!! The only downside is that the car plug is kinda cheaper so it doesn’t plug in very smoothly, and kinda slips out. I have to press it in really hard and make sure not to move the inverter so that I don’t accidentally move the cable or anything. A little finicky but works great once it’s plugged in properly.

    I would recommend this to a friend
  • Pros mentioned:
    Usb

    Rated 5 out of 5 stars

    Works well

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    Posted . Owned for 2 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Charge my phone, computer and works well. Can't ask for more. Keeps devices charged on the go.

    I would recommend this to a friend
    • Brand response from Cedar Electronics Team
      Posted .

      Thanks for the great review and for choosing Cobra. cedarelectronics-cobra

  • Pros mentioned:
    Power output, Usb

    Rated 5 out of 5 stars

    Power Up

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This thing is great.. upgraded to this one from single.. big difference in power and recharging laptop on the road.

    I would recommend this to a friend
  • Pros mentioned:
    Usb

    Rated 3 out of 5 stars

    It is ok power inverter

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    Posted . Owned for 2 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    It struggles to start a small fan. Otherwise it works with laptop chargers, small tv etc

    I would recommend this to a friend
    • Brand response from Cedar Electronics Team
      Posted .

      Thank you for choosing Cobra. The POWER 500 inverter is ideal for small fans. To better assist, we would need more details. Please contact us at 800-543-1608. We're happy to help and look forward to hearing from you! cedarelectronics-cobra

  • Pros mentioned:
    Usb

    Rated 4 out of 5 stars

    Works great

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Ise it to charge my lipos and all battery operated products while in car

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Rated 4 out of 5 stars

    12 volt inverter

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    For the money I feel this is a very good product. It is very easy to operate. No problems so far!

    I would recommend this to a friend
  • Pros mentioned:
    Performance

    Rated 5 out of 5 stars

    Gets the job done

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    Posted . Owned for 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Happy to say it Works as expected. Gets the job done!

    I would recommend this to a friend
    • Brand response from Cedar Electronics Team
      Posted .

      Thanks for the amazing review! cedarelectronics-cobra

  • Rated 5 out of 5 stars

    great inverter

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    Posted . Owned for 1.5 years when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    very nice, compact inverter. Quiet operation and good power capacity for it's size.

    I would recommend this to a friend
    • Brand response from Cedar Electronics Team
      Posted .

      Thank you so much for the great review! cedarelectronics-cobra

  • Pros mentioned:
    Power output

    Rated 5 out of 5 stars

    It works very well

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    Posted . Owned for 2 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Powerful and convenient. I would recomend it without hesitation.

    I would recommend this to a friend
    • Brand response from Cedar Electronics Team
      Posted .

      Thank you for the fantastic review and for recommending our product! cedarelectronics-cobra

  • Cons mentioned:
    Noise

    Rated 2 out of 5 stars

    Didn’t work

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Don’t know why, but didn’t work with my car. Kinda noisy.

    No, I would not recommend this to a friend
    • Brand response from Cedar Electronics Team
      Posted .

      We're sorry to hear you had issues. We'd love to help you troubleshoot. Please contact us at 800-543-1608. We look forward to assisting you. cedarelectronics-cobra

  • Pros mentioned:
    Usb

    Rated 4 out of 5 stars

    Good device

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    good device for the money. Had the right plug in and was on sale!

    I would recommend this to a friend
  • Pros mentioned:
    Performance

    Rated 5 out of 5 stars

    Cobra

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    Posted . Owned for 6 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Perfect Work everything time and no have problems I love

    I would recommend this to a friend
    • Brand response from Cedar Electronics Team
      Posted .

      Thank you for the great review! cedarelectronics-cobra

  • Pros mentioned:
    Usb

    Rated 3 out of 5 stars

    Mr

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    If you connect this directly to a car battery this unit works well. However...when operating on cigarette lighter it would not power my MacBook ProSpecs say it should...it didn't. The cooling fan is very noisy.

    No, I would not recommend this to a friend
  • Pros mentioned:
    Usb

    Rated 5 out of 5 stars

    Cobra

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    Posted . Owned for less than 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    For its price and its power rating I haven’t came across anything better. Love how it have a usb C port as well as a USBA port.

    I would recommend this to a friend
    • Brand response from Cedar Electronics Team
      Posted .

      Thank you so much for the great review! cedarelectronics-cobra

  • Pros mentioned:
    Power output

    Rated 5 out of 5 stars

    Great little unit

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This power inverter is a really good value for the price. With two outlets and 500 watts of power, it was enough to run the equipment I plugged into it. The bonus is the fast charge USB outlet. I didn't have to plug into the power outlet also.

    I would recommend this to a friend
  • Pros mentioned:
    Power output

    Rated 5 out of 5 stars

    Great Inverter!

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Bought this to replace an old 400W. Plugged in and it fired up and has been running great with no issues. Has a power switch to power it on and off without having to unplug it, which is nice.

    I would recommend this to a friend
  • Pros mentioned:
    Power output

    Rated 5 out of 5 stars

    Great Inverter Good Price

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    Posted . Owned for 2 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great for having backup power in power outages. Turns my car into a mini generator. Use the battery clamps to hook to your car battery. Crank the car in idle and plug in an extension cord to run a couple of lamps and even a TV! Great for basics. I can also use while at the camp site to power my phone's, radios, or laptop.

    I would recommend this to a friend
  • Pros mentioned:
    Performance

    Rated 5 out of 5 stars

    Love it

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Very simple and reliable. Works like a charm. However I’m not sure if the plug itself is too long or my outlet is too short. The connection is very prone to fall out if touched

    I would recommend this to a friend
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