Winter SaleEnds 1/19. Limited quantities. No rainchecks.Shop now

Skip to contentGo to Product SearchGo to Footer
Main Content

Customer Ratings & Reviews

No content
  • Gechic DO! 1 IN/OUT USB-C 2 OUT USB-C OUT USB-A
  • Energizer UE30035C Max Power Bank with LCD Display - 3 Outputs - High Capacity - 20,000mAh.
  • The Energizer 30,000mAh power capacity is suitable for all your charging needs. This product offers a 30000 mAh capacity, which can provide up to 24 hours, 36 hours, or even 108 hours of power for your devices. It is compatible with large tablets, small tablets, and smartphones. However, the actual result may vary based on user activity and device compatibility.
  • The text on the image reads: "Triple Devices Charging - 1x USB-A port and 2x USB-C ports that can charge up to 3 devices simultaneously."
  • 15W Rapid Charging: Efficiently charge up your devices wherever you go! Energizer.
  • Energizer Universal Compatibility: Perfect for travel and powering multiple devices.
  • I Stable Charging: Stable charge for Bluetooth Earbuds and Smartwatches. Energizer.
  • PowerSafe Management Over-Current Protection Energizer DO! - MS - Temperature Protection Over Charging Protection Short Circuit Protection Premium Battery Cell PowerSafe Management guarantees against short circuit, overcurrent, overcharge, and overdischarge for your power bank and devices.
  • The Energizer is a device that provides 100 units of energy.
  • Energizer. OUT USB-A OUT 2 USB-C IN/OUT 3 USB-C
  • The text on the image reads "100 Energizer."
  • The text on the image reads: USB-C 1 IN/OUT USB-C 2 OUT USB-A OUT.
  • Energizer Package 8 Energizer UE30035C Charging Cable User Manual 1 Year Warranty Contact customer service for more support at Website: <http://www.energizerpowerpacks.com> Email: [service@energizerpowerpacks.com](mailto:service@energizerpowerpacks.com)
  • Energizer Power Banks - Buying Guides video 2 minutes 41 seconds

Energizer - MAX 30,000mAh 15W USB-C 3-Port Universal Portable Battery Charger/Power Bank w/ LCD screen for Smartphones & Accessories - Black

Model:
UE30035C
SKU:
6589871
Highly rated by customers for:
Your price for this item is $34.99
The comparable value price is $39.99

Customer reviews

Rating 4.6 out of 5 stars with 268 reviews

Rating Filter

Rating by feature

  • Value

    Rating 4.7 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

90%would recommend to a friend

Customers are saying

Customers recognize the MAX 30,000mAh power bank's exceptional battery life, allowing for multiple charges and lasting power throughout the week. Its power and portability are also praised, making it a convenient option for various devices. However, some find the device's size and weight to be substantial, impacting its portability for everyday carry. The power bank's large capacity is a significant benefit for many users, despite its 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 7 Showing 121-140 of 268 reviews
  • Pros mentioned:
    Overall performance

    Amazing

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

    Awesome product thank you Best Buy!!!! Love it! Use it daily

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

    Mobile power charger

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

    Excellent product that extends mobile phone capabilities while traveling in remote areas where power sources are not available.

    I would recommend this to a friend

  • Portable charger

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

    Great item works as advertised as I work on the go and need it to keep my phone charged

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

    The charger is worth it to buy I love it

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

    The charger is worth it when you charge electronics with it it's worth it I love it I don't

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

    battery

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

    easy use to a long trip afordable touse an d carry

    I would recommend this to a friend

  • Making life easier

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

    Best portable charger I’ve ever had! Thank God, I found it!

    I would recommend this to a friend

  • Big battery pack

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

    Not much to say but large battery pack, charged it a week ago and have been using while out and it still hasn't ran out of juice.

    I would recommend this to a friend

  • absolutely love this!!!

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

    Best portable charger I’ve ever bought. It lasts a long time and very high quality!

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

    Charger

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

    Excellent great to have when power is out for a period of time

    I would recommend this to a friend

  • Very good power bank

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

    Very sturdy and good haven’t used it but I trust this Brad and Best Buy.

    I would recommend this to a friend

  • Fast recharge

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

    Fast recharge and dependable. Recommend. Great price

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

    Good battery recomended

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

    Battery life is awesome it can charge multiple device.

    I would recommend this to a friend

  • Excellent battery charger

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

    Excellent battery charger! Great gift! Works great!

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

    Portable charger

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

    Works great and charges my phone 2x as fast as my old portable charge

    I would recommend this to a friend

  • Big power block

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

    Extremely useful power block for charging! It does what it says and has a big supply.

    I would recommend this to a friend

  • Great item

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

    Great item for fast charging up the phone super fast

    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.

    Very happy with quality, a bit heavy but with a purpose.

    I would recommend this to a friend

  • Charger

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

    Recharges quickly. It’s a little heavy-but manageable.

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

    Lasts a long time

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

    I bought this for a heated parka/blanket, and it works great for that.

    I would recommend this to a friend

  • Works as needed for a 5 volt charger!

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

    Charger works well to connect with various devices that need the standard 5 volt connection (non PD). The price paid was appropriate for this older standard of USB charging.

    I would recommend this to a friend
Page 7, Showing 121-140 of 268 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.