Last-Minute SavingsLimited quantities.Shop now

Skip to content
Gift Ideas
Main Content

Customer Ratings & Reviews

No content
  • Front. Energizer - Ultimate Lithium 20,000mAh 18W Fast Charge Portable Charger/Power Bank QC 3.0 & PD 3.0 for Apple, Android & USB Devices - Gray.
  • Alt View 1. Energizer - Ultimate Lithium 20,000mAh 18W Fast Charge Portable Charger/Power Bank QC 3.0 & PD 3.0 for Apple, Android & USB Devices - Gray.
  • Alt View 11. Energizer - Ultimate Lithium 20,000mAh 18W Fast Charge Portable Charger/Power Bank QC 3.0 & PD 3.0 for Apple, Android & USB Devices - Gray.
  • Alt View 12. Energizer - Ultimate Lithium 20,000mAh 18W Fast Charge Portable Charger/Power Bank QC 3.0 & PD 3.0 for Apple, Android & USB Devices - Gray.
  • Alt View 13. Energizer - Ultimate Lithium 20,000mAh 18W Fast Charge Portable Charger/Power Bank QC 3.0 & PD 3.0 for Apple, Android & USB Devices - Gray.
  • Alt View 14. Energizer - Ultimate Lithium 20,000mAh 18W Fast Charge Portable Charger/Power Bank QC 3.0 & PD 3.0 for Apple, Android & USB Devices - Gray.
  • Alt View 15. Energizer - Ultimate Lithium 20,000mAh 18W Fast Charge Portable Charger/Power Bank QC 3.0 & PD 3.0 for Apple, Android & USB Devices - Gray.
  • Alt View 16. Energizer - Ultimate Lithium 20,000mAh 18W Fast Charge Portable Charger/Power Bank QC 3.0 & PD 3.0 for Apple, Android & USB Devices - Gray.
  • Alt View 17. Energizer - Ultimate Lithium 20,000mAh 18W Fast Charge Portable Charger/Power Bank QC 3.0 & PD 3.0 for Apple, Android & USB Devices - Gray.
  • Alt View 18. Energizer - Ultimate Lithium 20,000mAh 18W Fast Charge Portable Charger/Power Bank QC 3.0 & PD 3.0 for Apple, Android & USB Devices - Gray.
  • Energizer 20,000mAh Fast Charge video 1 minutes 12 seconds

Energizer - Ultimate Lithium 20,000mAh 18W Fast Charge Portable Charger/Power Bank QC 3.0 & PD 3.0 for Apple, Android & USB Devices - Gray

Model:
UE20015PQ
SKU:
6412341
Highly rated by customers for:
Your price for this item is $18.99
Clearance
The comparable value price is $64.99

Customer reviews

Rating 4.6 out of 5 stars with 897 reviews

Rating Filter

Rating by feature

  • Value

    Rating 4.6 out of 5 stars

  • Quality

    Rating 4.7 out of 5 stars

  • Ease of Use

    Rating 4.7 out of 5 stars

Pros mentioned filter

Cons mentioned filter

92%would recommend to a friend

Customers are saying

Customers are enthusiastic about the Ultimate Lithium 10,000mAh power bank's long-lasting battery life and ease of use. Many appreciate its convenient size and the high quality of its construction, along with its compatibility with various devices via multiple USB ports and USB-C connectivity. However, some customers noted that the device is relatively heavy.

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 41 Showing 801-820 of 897 reviews

  • The most economical 20,000 mah battery bank

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

    Pretty good, but what would you expect from the energizer rabbit!

    I would recommend this to a friend

  • Power Source

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

    This was a gift for a young man that is always on his phone, reading or playing games

    This review is from Energizer - Ultimate Lithium 10,000mAh 18W Fast Charge Portable Charger/Power Bank QC 3.0 & PD 3.0 for Apple, Android & USB Devices - Gray

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

    Just OK

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

    Fast charging for iphone and othermobile devices, not for laptop or macbook

    No, I would not recommend this to a friend

  • Charger

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

    Love it keeps my stuff fully charged very light weight easy to store great product

    I would recommend this to a friend

  • Returned

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

    On time delivery, product fine, but I returned% changed my mind

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

    Just okay.

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

    Have to return as it was so heavy. Had options for more mAh that feels lighter.

    No, I would not recommend this to a friend

  • Battery

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

    Love it! Great product, would for sure recommend. Must buy!

    I would recommend this to a friend

  • Pat’s Energizer

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

    Great product. Works great, and excellent price. Would definitely recommend.

    I would recommend this to a friend

  • Power up

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

    A must to power up your phone not to big it does the job right for changing our phones

    I would recommend this to a friend

  • Great Charger

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

    Perfect for when the power went out. Charged our phones.

    I would recommend this to a friend

  • Good and reliable to travel with

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

    Works pretty well, but turns off sometimes when still charging a device. Also, a little too bulky for on the go use.

    I would recommend this to a friend

  • Would recommend

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

    Works extremely well. Best portable charger I've ever had.

    I would recommend this to a friend

  • Good Product Good Transaction

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

    It works as expected. Good product. Good transaction with Best Buy. No complaints.

    I would recommend this to a friend

  • Great value

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

    Great long lasting battery pack. Love the multiple plugs

    I would recommend this to a friend

  • Satisfied….

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

    Perfect… I recommend it to everyone. Worth buying it.

    I would recommend this to a friend

  • Best product!

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

    Excellent product!! Worth buying it!!! Truly recommended it!!!

    This review is from Energizer - Ultimate Lithium 10,000mAh 18W Fast Charge Portable Charger/Power Bank QC 3.0 & PD 3.0 for Apple, Android & USB Devices - Gray

    No, I would not recommend this to a friend

  • Charger

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

    Helpful in areas that do not have USB ports or outlets.

    I would recommend this to a friend

  • Needs two quick charge port

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

    Nice product, I like the two charging ports option but it would be nice if both are quick charge ports.

    I would recommend this to a friend

  • Great!

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

    Love this thing works great and charges really fast!

    I would recommend this to a friend

  • Great purchase

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

    This product was exactly what we were looking for!

    I would recommend this to a friend
Page 41, Showing 801-820 of 897 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.