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Customer Ratings & Reviews

Your price for this item is $13.99
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The comparable value price is $59.99

Customer reviews

Rating 4.7 out of 5 stars with 1403 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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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 25 Showing 481-500 of 1,403 reviews
  • Pros mentioned:
    Battery life

    Rated 5 out of 5 stars

    Good power bank

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

    This power bank has been a life saver! We never worry about low batteries now.

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

    Rated 5 out of 5 stars

    Great buy

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

    I bought this while a power outtage was occuring and I didnt have power for 3 days. The charge from out of box lasted me the whole three days

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

    Rated 5 out of 5 stars

    Fast and reliable charging

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

    Charges fast and reliably. Great for traveling and fast charging. I used this on a Google Pixel 7, for reference.

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

    Rated 5 out of 5 stars

    Great

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    Posted . Owned for 9 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great pack it last me multiple days on a single charge

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

    Rated 5 out of 5 stars

    What I was looking for in a power bank.

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

    This is a much better power bank than my 3 yr old power bank. It is slim and light enough to carry around. I was able to charge 2 phones at the same time.

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

    Rated 5 out of 5 stars

    Compact, slim and powerful.

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

    Anker is compact and slim. Works great, especially when running errands and away from home. Will use it for traveling, when Covid restrictions are lifted.

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

    Rated 5 out of 5 stars

    Very nice portable power source!

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

    Love the availability and compatibility of so much power - we used it to recharge two devices at once and it kept on giving. Great investment for travel!

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

    Rated 5 out of 5 stars

    Lightweight and good value

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

    Seems to be working well so far. It’s incredibly lightweight and charges my devices quickly. Good value for the low price. Also appreciated the speedy delivery by Best Buy.

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

    Rated 5 out of 5 stars

    Portable battery charger.

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

    We purchased this item to take with us on a trip abroad. We never got the chance to use it, but it was nice to know we had it with us if the moment came up. Thank you.

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

    Rated 5 out of 5 stars

    Powerful

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

    By far, the best you can get to a portable charger. Can charge several items before the battery goes out.

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

    Rated 5 out of 5 stars

    A MUST have!

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

    LITERALLY the BEST! I’ve had it for a while now and it last’s super long and charges everything!

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

    Rated 5 out of 5 stars

    Great for charges!

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

    Anker powerbanks are the best imo, they can keep my phone battery charged for two weeks!!

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

    Rated 5 out of 5 stars

    Works well

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

    So far it has worked as it should. It holds a charge and charges my phone when needed.

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

    Rated 5 out of 5 stars

    Mr

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

    Great items. Great customer service. Durable and easy to navigate. No issues so dar with product.

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

    Rated 5 out of 5 stars

    Best Portable Charger

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

    It’s the best portable charger that you can buy. It does take a while to charge so I leave it charging over night. On one full charge it charges my iPhone 11 over 5 times. 10/10

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

    Rated 5 out of 5 stars

    Portable Power Charger

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

    Does not lose stored power when not in use once fully charged regardless of length of time b/w supplying power to phone, laptop, etc.

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

    Rated 5 out of 5 stars

    Second Purchase

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

    This is actually my second purchase. After my mom saw how good it worked, she took mine. I had 2 buy another.

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

    Rated 5 out of 5 stars

    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 Investment, I travel with no concerns ever of running out of my power on my devices.

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

    Rated 5 out of 5 stars

    Best Powerbank on the market. Under $100

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

    Love the brand ANKER. Their products are very reliable and charge my iPhone multiple times.

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

    Rated 5 out of 5 stars

    Very Good.

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

    This product is the absolute best. It keep my phone and bluetooth speaker charge all day at the park.

    I would recommend this to a friend