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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

Pros mentioned filter

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 29 Showing 561-580 of 1,402 reviews
  • Pros mentioned:
    Battery life

    Rated 5 out of 5 stars

    Battery Pack

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

    EXCELLENT Battery! We charged 3 phones fully and still had capability to charge another. Love this item.

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

      So glad you love the product! Thank you for your support. We are super excited to provide something that betters your life. We promise to continue striving to exceed your expectations!

      Remember your device comes with an 18-month warranty, and anytime you need help just let us know.
      Email: support@anker.com
      Phone number: +1 (800) 988 7973 anker

  • Pros mentioned:
    Battery life

    Rated 5 out of 5 stars

    Love this charger

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

    I love this portable charger didn’t need to charge it until after 5 days and I was able to use it as I was put of town during spring break!!!

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

    Rated 5 out of 5 stars

    PEACE OF MIND

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

    Eases my mind now that Ihave a safe way to recharge my iPad family’s cell phone!

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

    Rated 5 out of 5 stars

    little black box

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

    This is the first charger I have owned. I like it. It's fast, it's convenient.

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

    Rated 5 out of 5 stars

    Power core

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    Posted . Owned for 4 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Fast and strong. Never leave home without it. Best charger ever and live mesh case that helps me control my cords

    I would recommend this to a friend
  • 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.

    Great power bank , works as my cell emergency battery, when i want to keep relaxing on my couch :)

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

    Rated 5 out of 5 stars

    Totally Satisfied!

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

    Not too big, not too small; perfect size! Very reliable! Thanks for a great product!

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

    Rated 5 out of 5 stars

    Great for plane without charging ports.

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

    Perfect for long plane ride. Powered IPhone,iPad and Nintendo Switch on 9 hour plane trip on flight without charging ports with power to spare.

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

    Rated 5 out of 5 stars

    Got the Juice

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

    Excellent product. Charged up easily used it to power two iPhones. Took batteries from low single digits to 50% in less than 20 minutes.

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

    Rated 5 out of 5 stars

    Battery Pack

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

    I love this battery pack. I am able to get 3 full phone charges from it before it needs to be re-charged. Great product!

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

    Rated 4 out of 5 stars

    Good power but heavy to carry.

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

    Great for traveling, beach, etc. when you do not have access to outlets. A bit heavy to carry around. Remember to bring a short chord to charge your devices if you plan to carry it around as it can be bulky. .

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

    Rated 5 out of 5 stars

    Charge me up love it

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

    Great buy great l gift for my myself LOVED IT love love love

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

    Rated 5 out of 5 stars

    Lightweight and great

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

    Helped so much while traveling through Italy. Gave my iPhone 5 full charges before having to recharge! Lightweight as wlell

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

    Get it, it’s worth it

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

    I’ve been using it ever since I purchased it.no problems what so ever

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

    It is quick and easy charge, I am so glad I bought it. Definitely a good purchase.

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

    Rated 5 out of 5 stars

    Great for all day use on multiple phones!!

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

    Best portable charger I have purchased. I was able to use this charger multiple times without recharging.

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

    Rated 5 out of 5 stars

    Good buy.

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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.

    Heavy as one would expect but dependable. Happy to have it in my traveling tech kit.

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

    Rated 5 out of 5 stars

    Battery charge

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

    Went on vacation fully charged them work good haven’t recharge them still with full charge

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

    Rated 5 out of 5 stars

    The best portable charger

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

    Amazing portable charger. Always recommend anker products to everyone

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

    Rated 5 out of 5 stars

    Holds a long charge

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

    [Employee of bestbuy] Works great. Really holds a charge for a very long time.

    I would recommend this to a friend