Skip to contentGo to Product Search
Main Content

Customer Ratings & Reviews

No content
  • Front. Energizer - MAX 10,000mAh Ultra-Slim High Speed Universal Portable Charger for Apple, Android, Google, Samsung & USB Enabled Devices - Black.
  • Alt View 1. Energizer - MAX 10,000mAh Ultra-Slim High Speed Universal Portable Charger for Apple, Android, Google, Samsung & USB Enabled Devices - Black.
  • Alt View 11. Energizer - MAX 10,000mAh Ultra-Slim High Speed Universal Portable Charger for Apple, Android, Google, Samsung & USB Enabled Devices - Black.
  • Alt View 12. Energizer - MAX 10,000mAh Ultra-Slim High Speed Universal Portable Charger for Apple, Android, Google, Samsung & USB Enabled Devices - Black.
  • Alt View 13. Energizer - MAX 10,000mAh Ultra-Slim High Speed Universal Portable Charger for Apple, Android, Google, Samsung & USB Enabled Devices - Black.
  • Alt View 14. Energizer - MAX 10,000mAh Ultra-Slim High Speed Universal Portable Charger for Apple, Android, Google, Samsung & USB Enabled Devices - Black.
  • Alt View 15. Energizer - MAX 10,000mAh Ultra-Slim High Speed Universal Portable Charger for Apple, Android, Google, Samsung & USB Enabled Devices - Black.
  • Alt View 16. Energizer - MAX 10,000mAh Ultra-Slim High Speed Universal Portable Charger for Apple, Android, Google, Samsung & USB Enabled Devices - Black.
  • Alt View 17. Energizer - MAX 10,000mAh Ultra-Slim High Speed Universal Portable Charger for Apple, Android, Google, Samsung & USB Enabled Devices - Black.
  • Alt View 18. Energizer - MAX 10,000mAh Ultra-Slim High Speed Universal Portable Charger for Apple, Android, Google, Samsung & USB Enabled Devices - Black.
  • Alt View 19. Energizer - MAX 10,000mAh Ultra-Slim High Speed Universal Portable Charger for Apple, Android, Google, Samsung & USB Enabled Devices - Black.
  • Alt View 20. Energizer - MAX 10,000mAh Ultra-Slim High Speed Universal Portable Charger for Apple, Android, Google, Samsung & USB Enabled Devices - Black.
  • Alt View 21. Energizer - MAX 10,000mAh Ultra-Slim High Speed Universal Portable Charger for Apple, Android, Google, Samsung & USB Enabled Devices - Black.
  • Alt View 22. Energizer - MAX 10,000mAh Ultra-Slim High Speed Universal Portable Charger for Apple, Android, Google, Samsung & USB Enabled Devices - Black.
  • Alt View 23. Energizer - MAX 10,000mAh Ultra-Slim High Speed Universal Portable Charger for Apple, Android, Google, Samsung & USB Enabled Devices - Black.
  • Energizer 10,000mAh Ultra-Slim video 1 minutes 04 seconds

Energizer - MAX 10,000mAh Ultra-Slim High Speed Universal Portable Charger for Apple, Android, Google, Samsung & USB Enabled Devices - Black

Model:
UE10044
SKU:
6412335
Highly rated by customers for:
Loading...

Customer reviews

Rating 4.4 out of 5 stars with 2516 reviews

Rating Filter

Rating by feature

  • Value

    Rating 4.4 out of 5 stars

  • Quality

    Rating 4.4 out of 5 stars

  • Ease of Use

    Rating 4.5 out of 5 stars

Pros mentioned filter

Cons mentioned filter

86%would recommend to a friend

Customers are saying

Customers often highlight the long battery life and compact size of the MAX 15,000mAh portable charger as key strengths, also praising its ease of use and lightweight design. Positive feedback also mentions the charger's competitive price and reliable performance. However, some users reported compatibility issues and problems with the USB-C port.

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 108 Showing 2,141-2,160 of 2,516 reviews

  • Great product

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

    It was exactly what I was looking for and reasonably priced

    I would recommend this to a friend

  • Good

    |
    |
    Posted . Owned for 5 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This is a good item fast shipping, I definitely recommend

    This review is from Energizer - MAX 20,000mAh High Speed Universal Portable Charger for Apple, Android, Google, Samsung & USB Enabled Devices - Black

    I would recommend this to a friend

  • Phone charger

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

    Holds a charge fairlu well but really only get a half charge from empty

    This review is from Energizer - MAX 5,000mAh Ultra-Slim, High Speed Universal Portable Charger for Apple, Android, Google, Samsung & USB Enabled Devices - Black

    No, I would not recommend this to a friend

  • Kskd

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

    Best product on the market. Definitely recommend! Nothing better exists!!

    I would recommend this to a friend

  • Good product

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

    it is heavey but really good for back up power.It can use with any usb item

    This review is from Energizer - MAX 20,000mAh High Speed Universal Portable Charger for Apple, Android, Google, Samsung & USB Enabled Devices - Black

    I would recommend this to a friend

  • Great product

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

    I endorse this product! Great quality and can be stored easily!

    I would recommend this to a friend

  • Good product with excellent price.

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

    Excellent and confortable device. Used in me travels

    This review is from Energizer - MAX 5,000mAh Ultra-Slim, High Speed Universal Portable Charger for Apple, Android, Google, Samsung & USB Enabled Devices - Black

    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.

    great purchase online pick up in store easy and fast

    This review is from Energizer - MAX 15,000mAh Ultra-Slim High Speed Universal Portable Charger for Apple, Android, Google, Samsung & USB Enabled Devices - Black

    I would recommend this to a friend

  • Definitely a good value

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

    Definitely a good, simple case for the price. Will protect from drops

    This review is from Energizer - MAX 5,000mAh Ultra-Slim, High Speed Universal Portable Charger for Apple, Android, Google, Samsung & USB Enabled Devices - Black

    I would recommend this to a friend

  • Perfect solution for on the go!

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

    Perfect charging solution for on the go and traveling!

    This review is from Energizer - MAX 20,000mAh High Speed Universal Portable Charger for Apple, Android, Google, Samsung & USB Enabled Devices - Black

    I would recommend this to a friend

  • Charger

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

    I like the charger. It has various ports for all my electronics. Good buy

    This review is from Energizer - MAX 20,000mAh High Speed Universal Portable Charger for Apple, Android, Google, Samsung & USB Enabled Devices - Black

    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.

    Great charger. A little heaver than I wanted but nothing I can't handle.

    This review is from Energizer - MAX 15,000mAh Ultra-Slim High Speed Universal Portable Charger for Apple, Android, Google, Samsung & USB Enabled Devices - Black

    I would recommend this to a friend

  • Better than I thought

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

    Not too bad at all, it’s works very good , takes a long time to recharge it

    This review is from Energizer - MAX 20,000mAh High Speed Universal Portable Charger for Apple, Android, Google, Samsung & USB Enabled Devices - Black

    I would recommend this to a friend

  • Portable charger.

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

    Very satisfied with this purchase for a portable charger for my cell phone.

    This review is from Energizer - MAX 20,000mAh High Speed Universal Portable Charger for Apple, Android, Google, Samsung & USB Enabled Devices - Black

    I would recommend this to a friend

  • Good product

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

    Great quality. Good product. Exactly what is described. Couldn't be happier.

    I would recommend this to a friend

  • I like that I have more back up energy

    |
    |
    Posted . Owned for 7 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I like that I have more back up energy just in case.. great device

    This review is from Energizer - MAX 15,000mAh Ultra-Slim High Speed Universal Portable Charger for Apple, Android, Google, Samsung & USB Enabled Devices - Black

    I would recommend this to a friend

  • Phone charger works well

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

    Only used it once but it seems to do what it's supposed to do.

    This review is from Energizer - MAX 15,000mAh Ultra-Slim High Speed Universal Portable Charger for Apple, Android, Google, Samsung & USB Enabled Devices - Black

    I would recommend this to a friend

  • Adequate

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

    Bought this as a replacement for a different battery and there is a noticeable difference. I can get a single charge of my Samsung plus an additional 40% or so. Previously I could charge at least twice. It does the job but not as well.

    This review is from Energizer - MAX 5,000mAh Ultra-Slim, High Speed Universal Portable Charger for Apple, Android, Google, Samsung & USB Enabled Devices - Black

    No, I would not recommend this to a friend

  • Charging bank

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

    Very good quality charging bank, will definitely get this same brand again.

    This review is from Energizer - MAX 5,000mAh Ultra-Slim, High Speed Universal Portable Charger for Apple, Android, Google, Samsung & USB Enabled Devices - Black

    I would recommend this to a friend

  • We love it

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

    My mom and I got one and we love them. I almost take my everywhere I go

    This review is from Energizer - MAX 20,000mAh High Speed Universal Portable Charger for Apple, Android, Google, Samsung & USB Enabled Devices - Black

    I would recommend this to a friend
Page 108, Showing 2,141-2,160 of 2,516 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. © 2026 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.