Last-Minute SavingsLimited quantities.Shop now

Skip to content
Gift Ideas
Main Content

Customer Ratings & Reviews

No content
  • Front. Anker - Power Bank (20000mAh, 20W, 1-Port) - Black.
  • Angle. Anker - Power Bank (20000mAh, 20W, 1-Port) - Black.
  • Alt View 1. Anker - Power Bank (20000mAh, 20W, 1-Port) - Black.
  • Alt View 2. Anker - Power Bank (20000mAh, 20W, 1-Port) - Black.
  • Alt View 3. Anker - Power Bank (20000mAh, 20W, 1-Port) - Black.
  • Alt View 11. Anker - Power Bank (20000mAh, 20W, 1-Port) - Black.
  • Alt View 12. Anker - Power Bank (20000mAh, 20W, 1-Port) - Black.

Anker - Power Bank (20000mAh, 20W, 1-Port) - Black

Model:
A1288H11-1
SKU:
6553393
Highly rated by customers for:
Your price for this item is $12.99
Clearance
The comparable value price is $49.99

Customer reviews

Rating 4.7 out of 5 stars with 509 reviews

Rating Filter

Rating by feature

  • Value

    Rating 4.7 out of 5 stars

  • Quality

    Rating 4.8 out of 5 stars

  • Ease of Use

    Rating 4.8 out of 5 stars

Pros mentioned filter

Cons mentioned filter

95%would recommend to a friend

Customers are saying

Customers have good things to say about the Power Bank, especially its fast charging speed, overall performance, and long-lasting battery. Users appreciate its portability and adequate capacity. The main drawbacks mentioned are its weight and size.

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 23 Showing 441-460 of 509 reviews
  • Pros mentioned:
    Battery life

    Review

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

    Works really well and hold a charge for a long time. Really happy with my purchase!

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

    Amazing battery pack

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

    Great product. It charges my phone very fast. It will be great if it had a charge percentage indicator.

    I would recommend this to a friend

  • It’s okay

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

    Worked until I plugged it into itself and it stopped working

    No, I would not recommend this to a friend
  • Pros mentioned:
    Charging speed

    Very helpful

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

    Charges devices very fast. However, takes a long time to charge back itself.

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    still trying it

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

    works good so far, havent had the chance to fully use it and get a honest answer

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

    Last long

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

    Heavy power bank but its fantastic. takes Forever to charge the bank itself hence the 4 stars

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    Charger

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

    Product worked as advertised. Decent value for the money

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

    Excellent Back Up

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

    Solid, portable, versatile and you can brain a mugger with it if you need to.

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

    Mobil charger

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

    Great device but a little heavy about a pound. Would be better if lighter

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

    Good for on the go

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

    Light weight ,was easy to charge, cord included works well

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

    Power brick

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

    A little heavy and bulky. Sleek casing though. No charging instructions

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

    Forever yet slow

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

    Will last like forever however charges somewhat slow.

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

    Power battery charger Anker 355 power bank 20k mAh

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

    Works well long lasting charge works well on charging Apple devices

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

    Not worth the price

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

    It's too big and it keeps shutting itself off and just now it stopped turning on entirely. Honestly the charger pack one below this in voltage was better

    No, I would not recommend this to a friend

  • Great purchase…

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

    I’ve bought a couple 20k/mah portable packs before and this brand appealed to me. Additional research on which charging block to use is the 20w type, Which took around 4 hours…

    I would recommend this to a friend

  • Excellent product

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

    Best product ,value for money, assume functionality

    I would recommend this to a friend

  • anker

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

    Months ago I bought a battery bank. And it was losing its capacity to store energy. That the reason a bought the battery.

    I would recommend this to a friend

  • Awesome

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

    This is an awesome product, thank you for the help when we purchased , we highly recommend it

    I would recommend this to a friend

  • Fast recharge!

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

    Superior Power in a sturdy package. The recharge cycle on this was amazing and was perfect for my trip to India!

    I would recommend this to a friend

  • Hawaii

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

    can't ship it, was nice to find it on our islands. best buy is solid

    I would recommend this to a friend
Page 23, Showing 441-460 of 509 reviews
Sign in or Create Account

Get the latest deals and more.

Best Buy appLearn more
Share on YouTubeShare on InstagramShare on TikTokShare on FacebookShare on PinterestShare on X
Best Buy Canada
AccessibilityTerms & ConditionsPrivacyInterest-Based AdsState Privacy RightsHealth Data PrivacyDo Not Sell/Share My Personal InformationLimit Use of My Sensitive Personal InformationTargeted Advertising Opt OutCA Supply Chain Transparency Act
In-store pricing may vary. Prices and offers are subject to change. © 2025 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.