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Customer Ratings & Reviews

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Customer reviews

Rating 4.7 out of 5 stars with 1402 reviews

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Rating by feature

  • Value

    Rating 4.6 out of 5 stars

  • Quality

    Rating 4.7 out of 5 stars

  • Ease of Use

    Rating 4.8 out of 5 stars

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Cons mentioned filter

93%would recommend to a friend

Customers are saying

Customers have good things to say about the PowerCore III 20K mAh USB-C Portable Battery Charger's long battery life, convenient portability, and compact size. Many appreciate its multiple charging ports, including USB-C, and find the performance and design to be excellent. While some find it a bit heavy, most agree it's a worthwhile purchase.

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 28 Showing 541-560 of 1,402 reviews
  • Pros mentioned:
    Battery life

    Rated 5 out of 5 stars

    Portable Power - I loved it.

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

    Excellent. I am really happy and satisfied with this product. It’s has helped allot in my trips.

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

    A little heavy...

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

    I was looking for a smaller charger, but this was the only one in stock. I gave it 4 stars because its a bit heavy, bulky but otherwise it worked very well

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

    Rated 5 out of 5 stars

    Good charger

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

    This charger is exactly what i paid for it was very good at keep a charge on my phone.i would highly recommend this charger to anyone

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

    Rated 5 out of 5 stars

    Angler Power Bank

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

    Works Great, went on a three day backpacking trip and it kept my IPhone and my Beats headset going the whole way. Definitely a must have.

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

    Rated 5 out of 5 stars

    Worth it!

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

    It lasted me for 1.5 days. Purpose was for Disney trip and it was able to keep my phone charged and my kids 2 iPads charged.

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

    Rated 5 out of 5 stars

    Great Anker portable charger

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

    Great value product. Easy to use! I like the Anker portable charger for when I am traveling and always on the go. I highly recommend it.

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

    Rated 5 out of 5 stars

    Great charger

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    Posted . Owned for 7 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Amazing charger, charges phone extemeley quickly and takes all chargers

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

    Rated 5 out of 5 stars

    Great value charger

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

    Chargers is amazing. It charges the phone quickly and still has enough juice to charge other items.

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

    Rated 5 out of 5 stars

    Another Outstanding Anker Product

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

    Perfect addition to my Galaxy Note 10 Plus when I am out hiking in the park. Power pack went for a dip in Little Bear Creek with no issue.

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

    Rated 5 out of 5 stars

    I phone charger

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

    Great charger for your I phone. 75 hours . Excellent for the money . A must have if you are on the move .

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

    Rated 5 out of 5 stars

    Power bank

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

    Very Happy with it works well its slim and holds good charge

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

    Rated 5 out of 5 stars

    Busy Dad

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

    Having kids that love their plug in entertainment, this battery pack charges everything and keeps the kids Satisfied

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

    Rated 5 out of 5 stars

    powerupcharlie!

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

    This is the finest portable battery charger I have ever owned. Super light and powerful. You can spend more but you cannot beat this one.

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

    Rated 5 out of 5 stars

    Wow!

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

    The Best!! I can charge several devices at one time and not use much of the battery life! Great for travel or power outages!

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

    Rated 5 out of 5 stars

    Customer satisfaction.

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

    Enjoyed the durability and longevity of the power supply.

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

    Rated 5 out of 5 stars

    Anker power core III

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

    Love this pocket sized workhorse! It charges all of my devices with power left over. Highly recommend this product.

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

    Rated 4 out of 5 stars

    Works as expected

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

    I have had the power bank for a couple of weeks, so far working as expected, used only once to charge my phone. I took an average time to charge the unit. I'll update once a use it a little more

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

    Rated 5 out of 5 stars

    MR.SEXY

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    Posted . Owned for 8 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I USE THESE A LOT & HAVE SEVERAL. I RECOMMEND THIS BRAND OVER OTHERS

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

    Rated 5 out of 5 stars

    Great battery bank

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

    Bought 3 for a work project and they work perfectly I am definitely going to invest in one for my own personal use …. Highly recommended

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

    Rated 5 out of 5 stars

    So far, so good.

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

    Admittedly I have only used it once but it charged well and seemed to charge my phone the one time pretty quickly and well.

    I would recommend this to a friend