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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 25 Showing 481-500 of 2,150 reviews
  • Pros mentioned:
    Battery life, Charging speed

    Rated 5 out of 5 stars

    Great Product

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

    Holds charge for a long time and charges devices fast

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

    Rated 4 out of 5 stars

    Great battery pack

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

    Good battery, hasn’t failed me so far. Powers up my electronics fast, iphone and Nintendo switch. Just wish it had a 3rd USB port, but either way still a good product

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

    Rated 5 out of 5 stars

    Portable Charger - A Must Have for Power Outages

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    Posted . Owned for 10 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This power brick has saved me on more than one occasion. It seems like we lose power at the worst moments! I am so relieved to know I have this as a backup to charge my devices. It is basically an insurance policy for keeping my electronic life chugging along happily.

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

    Rated 5 out of 5 stars

    Works great

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

    Works great, charges devices fast and the price is excellent.

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

    Rated 5 out of 5 stars

    Excellent charger

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

    Purchased this charger for my husbands trip to myrtle beach bike week. He was very happy with the time and number of times he was able to charge his phone on the go will riding. Also came in handy a few weeks ago when a huge storm came through and we had no power for a day. Charged all 4 of of phones without issue. Would definitely purchase again.

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

    Rated 5 out of 5 stars

    Good

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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 gives me 4 full charges of iphone x

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

    Rated 5 out of 5 stars

    Multiple Charges

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

    This thing is a champ! Charged it up and was able to recharge my phone and my friend's phone at least 2x while we were at a festival taking lots of video and pictures. It's a big block to carry around with you but that's what the backpack is for.

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

    Rated 5 out of 5 stars

    Small 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.

    Charged up the phones quickly, nice and small too.

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

    Rated 4 out of 5 stars

    Great charger

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

    The charger works great. Bought it for a long weekend of travel & I never worried about my phone battery dying. The quick charge port fastly charged my phone everytime.

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

    Rated 5 out of 5 stars

    Lotsa power

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

    Does what they say. Takes a bit to fully charge a bit heavy

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

    Rated 5 out of 5 stars

    Power bank for multiple uses!

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

    Not purchased to charge phones or tablets... but it works great for those too! Purchased to replace a dead battery pack for my HTC Vive Wireless headset. Lasts 3-4 times longer then the OEM power pack and fits (but won't lock) into the battery holder. If you have an HTC Vive Wireless kit, get this battery pack and play longer!

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

    Rated 5 out of 5 stars

    So far so good

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

    It charged fast and seems very solid unlike some other cheap chargers

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

    Rated 5 out of 5 stars

    Great for power on the go

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

    I don’t know what I would do without this. I do a lot of traveling so it’s not uncommon for me to be carrying around 2-3 power banks with me when I do. I can get multiple full charges from my Nintendo Switch out of one charge and even more charges for my phone. If battery capacity is a must for you, this product is also a must.

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

    Rated 5 out of 5 stars

    Good

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

    It is pretty heavy but it works well and charge quickly.

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

    Rated 5 out of 5 stars

    Mobile power at its best

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

    Bought this as a replacement to my old external battery, this thing is simply majestic, the power last awhile, it takes a little long to recharge it’s self, but it holds it’s power for a long time, I can charge my phone well over 5 times before I have to recharge the power bank, definitely recommend

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

    Rated 4 out of 5 stars

    Good, small, heavy

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

    Good battery pack, does what it should. Price isn’t too bad, it is a little heavy and gets heavier throughout the day when walking around with it in ur bag

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

    Rated 5 out of 5 stars

    GREAT portable charger for my Samsung smartphone

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

    This portable charger is a lifesaver when I was on a 2-week vacation in Las Vegas and Los Angeles. It has a quick charge USB port for my Samsung Note5 and it recharged the battery 100 % within an hour. I really love my Anker portable! I highly recommend this product!

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

    Rated 5 out of 5 stars

    Great charger for the price!

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

    I bought this for a music festival I was going to be attending for 4 days and would be nowhere near a power port. It did not disappoint. I have a note 9 and I was able to charge that bad boy up and several devices I had with me several times and this thing STILL had juice left in it. very satisfied with my purchase

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

    Rated 5 out of 5 stars

    Great powerbank, and great camera battery?

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

    I use this as a power bank for charging phones, batteries, etc. But I also use this as an external power source for my Panasonic GH5 and GH5s! Yes, you can get external power with this power bank and a USB dummy battery and have all day shooting without having to swap batteries!

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

    Rated 5 out of 5 stars

    Power at Will

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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 exactly what I needed. It keeps my laptop and phone charged during flights. It is also a wonderful backup when I forget to charge my phone. I bought an adapter to also charge our new phones. The charger comes with a little bag that also stores the adapter and charging cable. I also loved the price.

    I would recommend this to a friend