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Customer Ratings & Reviews

Your price for this item is $49.99

Customer reviews

Rating 4.8 out of 5 stars with 2150 reviews

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Rating by feature

  • Value

    Rating 4.7 out of 5 stars

  • Quality

    Rating 4.8 out of 5 stars

  • Ease of Use

    Rating 4.9 out of 5 stars

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97%would recommend to a friend

Customers are saying

Customers admire the PowerCore 20,000 mAh Portable Charger's impressive battery life and its relatively compact size, making it portable and convenient. Many appreciate its multiple USB ports and compatibility with various devices. While some find it a bit heavy, the overall positive feedback highlights its value and usefulness as a portable power source.

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 14 Showing 261-280 of 2,150 reviews
  • Pros mentioned:
    Battery life, Size

    Rated 5 out of 5 stars

    Great portable charger

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

    Small enough to carry in purse or large jacket/coat pocket. Kept my phone charged all day long while sightseeing with google maps guidance for >12hrs with active use. Highly recommend

    I would recommend this to a friend
  • Pros mentioned:
    Charging speed

    Rated 5 out of 5 stars

    Great power bank

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

    This works great. Charges pretty quickly and we used it for travel, long flights, and general daily use. We have charged iPhones and iPads with it with no problems.

    I would recommend this to a friend
  • Pros mentioned:
    Battery life
    Cons mentioned:
    Weight

    Rated 5 out of 5 stars

    Greal

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

    It’s a little heavy to carry around in your pocket but that is expected for 20,000 mAh. I carry it so have power for everything. Not really that heavy and extremely handy.

    I would recommend this to a friend
  • Pros mentioned:
    Battery life, Size

    Rated 5 out of 5 stars

    Great Charger

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    Posted . Owned for 11 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Compact, charger holds a charge for a long time. We are using it as our emergency charger, when the power goes out, and we are quite pleased!

    I would recommend this to a friend
  • Pros mentioned:
    Battery life
    Cons mentioned:
    Weight

    Rated 5 out of 5 stars

    Quick charge

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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.

    Excellent charger. Bit on heavier side but not bad. Replaced smaller anker charger for upcoming trip. 6 charges on S9. Remember you always get what pay for.

    I would recommend this to a friend
  • Pros mentioned:
    Battery life, Size

    Rated 5 out of 5 stars

    Great for overseas travelers

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    Posted . Owned for 5 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Bought this for a 15 hour flight to japan. Powered all my electronics the whole trip with out any issues. Slim enough to slide in and out of my carry on pocket.

    I would recommend this to a friend
  • Pros mentioned:
    Battery life, Portability

    Rated 5 out of 5 stars

    Very helpful

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

    We took for our disney trip and it really helped save our phones. Easy to use and quick to charge. Just make sure for iPhones you bring the lighting cable

    I would recommend this to a friend
  • Pros mentioned:
    Battery life, Charging speed

    Rated 5 out of 5 stars

    Great Charger

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

    I love this charger. It charges devices in a reasonable amount of time. And for it to charge multiple devices before needing to be charged again, is a fantastic plus.

    I would recommend this to a friend
  • Pros mentioned:
    Battery life
    Cons mentioned:
    Weight

    Rated 5 out of 5 stars

    Long lasting use

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

    I have 2 of these and love them. Multiple charges and quickly. A little on the heavy side but understandable for the amount of charges I get out of it.

    I would recommend this to a friend
  • Pros mentioned:
    Battery life, Charging speed

    Rated 5 out of 5 stars

    Best power bank!!!

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

    I had 4 power banks before but they charged really slow. This one charges my phone really fast and I don’t need to charge it often. (It charges my iPhone 7 Plus 4 times)

    I would recommend this to a friend
  • Pros mentioned:
    Battery life, Charging speed

    Rated 5 out of 5 stars

    Great portable charger!

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

    This battery pack works great and charges your devices up really fast. Plus you can charge most cell phones over six times before needing to recharge the battery pack.

    I would recommend this to a friend
  • Pros mentioned:
    Battery life

    Rated 5 out of 5 stars

    Great buy!

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

    I absolutely love this portable charger! I knew my cell phone's battery life was terrible when I purchased it, so my solution was to buy a universal portable charger to keep on hand for it, as well as for my other electronics. It has not disappointed. My fiance loves it so much (compared to his cheaper non-Anker charger) that it often goes missing. Great buy!

    I would recommend this to a friend
  • Pros mentioned:
    Battery life

    Rated 4 out of 5 stars

    Great buy so far

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

    I commute more than an hour each way to/from work via train, so I use my phone quite often during those trips. Consequently, my phone's battery dies easily. I needed a solution. This portable charger was the best one I saw online. I can charge my phone on the way home with ease and without worrying about my phone dying. It also holds it charge for quite some time so I don't have to charge it daily. My only complain is, I wish it came with an actual charger and not just the USB plug. For $50, you would think it would come with one. If you can live with spending a few more dollars on the plug, this is a great buy. I give four stars because it didn't have the charging plug. If it did, I'd give five for sure.

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

      We recommend to just use the wall charger that comes with your phone/tablet. In most cases they will be enough, just stay away from 1A chargers, we recommend something 2A or higher to charge. Thank you for your feedback! anker

  • Pros mentioned:
    Charging speed, Portability

    Rated 5 out of 5 stars

    Great buy!

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

    Easy to use. Charges quickly. Adds some weight in your backpack, but worth the convenience and piece of mind when you're on a plane or the power is out.

    I would recommend this to a friend
  • Pros mentioned:
    Battery life

    Rated 5 out of 5 stars

    Long lasting

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

    Battery lasts for a long time. Up to 6-7 iPhone charges. The best portable power bank especially for its price. This brand is reliable when it comes to power banks.

    I would recommend this to a friend
  • Pros mentioned:
    Battery life
    Cons mentioned:
    Weight

    Rated 5 out of 5 stars

    Solid piece of hardware

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

    Bought one for my daughters birthday as she is glued to her phone. It keeps her phone charged all day. Its heavy, but for a reason. Feels solid, not cheap.

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

    Rated 5 out of 5 stars

    Great powerbank

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

    Awesome powerbank with huge capacity. Consistent and just the right size. The mesh drawstring carry bag was a plus. I would buy it again if this one is not enough.

    I would recommend this to a friend
  • Pros mentioned:
    Battery life, Charging speed

    Rated 5 out of 5 stars

    Great spare charger

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

    Can get several phone charges out of this. One thing, it does take a long time to recharge. It is larger and heavier than a stick charger, but charges so much better.

    I would recommend this to a friend
  • Pros mentioned:
    Battery life

    Rated 5 out of 5 stars

    Good Value for Its Size

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

    I Bought this to Charge my iPhone X and iPad Pro on a Motorcycle Adventure. It charged fully quickly and is surviving the 90 degree plus temps in my tank bag. Beyond this I have not yet used the 20000mAh charge. Also, a note about Best Buy's technology in general, come on guys! My "StoCard App" which stores all of my loyalty cards and provides a bar, etc., code and number on my phone at check out, does not work at Best Buy! It works at Kroger's!! And your a technology company???

    I would recommend this to a friend
  • Pros mentioned:
    Battery life
    Cons mentioned:
    Weight

    Rated 5 out of 5 stars

    Awesome Power storage

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

    Charges great, lots of power. It is heavy so it won't be something you want to carry with you in your pocket. In a purse, backpack or fanny pack it is fine.

    I would recommend this to a friend