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Customer reviews

Rating 4.1 out of 5 stars with 169 reviews

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Rating by feature

  • Value

    Rating 4.3 out of 5 stars

  • Quality

    Rating 4.2 out of 5 stars

  • Ease of Use

    Rating 4.6 out of 5 stars

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80%would recommend to a friend

Customers are saying

Customers commend the compact and lightweight size of the Ultimate Lithium 5,000mAh power bank, finding it convenient for portability. However, some users express concerns regarding the battery life, noting that it may not provide a full charge and can generate heat during use. The MagSafe functionality also receives mixed reviews, with some experiencing inconsistent connection.

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 1 Showing 1-20 of 169 reviews
  • Pros mentioned:
    Charging speed, Size
    Cons mentioned:
    Battery life

    Rated 5 out of 5 stars

    Compact Powerhouse

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

    Love the compact size of this charger. I have 2 other chargers that are much bigger. I'm sure it won't last as long as they do but will be great for 1-2 days of backup. This will fit nicely in my small crossbody bag. It has a few options for charging, plug in or magnetized, which means charging multiple devices at the same time. I like the indicator lights to know how much juice is left.

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

    Rated 4 out of 5 stars

    Perfect Travel Size Case

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

    Love the size of the portable charger, easy to fit in a purse or any type of bag while you are on the go. It works the best with a MagSafe case but can also be used with most other cases. I will note when trying to charge your phone without a case on it slides a bit more then with the actual MagSafe case on. Overall, would definitely recommend for traveling or just carrying around in case your phone dies.

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

    Rated 5 out of 5 stars

    Great wireless charger.

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

    Great product. Works as expected. I especially love the wireless charging using the magnetic function.

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

    Rated 5 out of 5 stars

    Perfect for on the go!

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

    I was so excited to receive this charge as Energizer chargers have always exceeded my expectations. The sleek , lightweight design is perfect to throw into my purse for on the go charging. I also love that it is wireless!! It is impressive to see how small it is compared to one I purchased several years ago.

    I would recommend this to a friend
  • Rated 4 out of 5 stars

    Almost Perfect, But Arrived with a Bad Cable

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

    This Energizer 5,000mAh MagSafe power bank is fantastic for portability. It's super light and compact, and you can put it in your pocket without any trouble. For those new to wireless charging, the convenience is perfect. It's great to get rid of bringing cables, but just be aware that the charging speed is much slower than a wired connection. In terms of capacity, it couldn't fully charge my iPhone 15 from 10% to 100%. It only managed to get it to around 85%, which isn't bad and is still very useful for a top-up. The only real downside was that the cable included in the package didn't work. It wasn't worth the hassle of returning the entire power bank just for a cable, so I decided to keep it and use one of my own.

    I would recommend this to a friend
    • Brand response from Jamal Chen
      Posted .

      Hi Ehsan,
      Thanks for your detailed review! We're glad to hear the power bank’s portability and wireless convenience worked well for you. Regarding the included cable not functioning, we’re truly sorry for the inconvenience. That’s not the experience we aim to deliver.
      Please feel free to reach out to our support team at https://support.energizerpowerpacks.com/—we’d be happy to assist with a replacement cable or further help.
      --Energizer PowerPacks Service Team

  • Rated 4 out of 5 stars

    This “Bunny” Power Bank is Perfect!

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

    This little guy works really well! Love the USB-A & USB-C as well as MagSafe for on the go charging. It’s also fairly light weight (size of a makeup compact). I have multiple devices I have to carry around for work and this Energizer power bank does the job. I named it “Bunny” : ) Took off a star because price was a bit too high.

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

    Rated 5 out of 5 stars

    Good charger with compact and lightweight size

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

    Good charger with compact and lightweight size. For iPhone 15 pro it can provide approximately 85% charge, starting with the iPhone battery discharged. By induction it generates a little heat but within the expected. For the Energizer brand, I believe it has good cells.

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

    Rated 5 out of 5 stars

    Superb Portable Charger!

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

    I had been wanting to purchase a MagSafe portable charger for quite some time now when I came across this Energizer power bank. I really wanted something that was small enough to fit in my purse but functional enough for everyday use. This portable charger has exceeded my expectations and my favorite part is that I no longer need to carry around a lighting cord with me in order to charge my phone! Highly recommend this portable charger!!!

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

    Rated 5 out of 5 stars

    Convient Power!

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

    This power bank sports a compact and lightweight design, making it highly portable and easy to carry in a bag or pocket. The inclusion of MagSafe is the standout feature, allowing it to securely attach to compatible devices, ensuring a hassle-free wireless charging experience which can be hard for mobile charging solutions. The fast charging support is also nice. This is my new favorite on the go charger.

    I would recommend this to a friend
  • Rated 4 out of 5 stars

    Nice and helpful

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

    Really impressed with this power bank! It charges my phone quickly and holds power for a long time, even after multiple uses. The build quality feels solid, and it’s compact enough to carry easily when traveling or commuting. The display indicator is accurate, and the charging ports work perfectly. Overall, a reliable and convenient power bank

    I would recommend this to a friend
    • Brand response from Jamal Chen
      Posted .

      Hi FURKANQ,
      We’re thrilled to hear the Ultimate Lithium power bank is working so well for you! It’s great to know the fast charging, long-lasting battery, and accurate display are making a difference in your daily routine. We designed it to be compact yet powerful — sounds like it’s hitting the mark!
      Thanks again for your detailed feedback — it helps us keep improving.
      --Energizer PowerPacks Service Team

  • Rated 5 out of 5 stars

    Great wireless charger

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

    Bought to use with an iPhone 11. Even the 11 is not MagSate compatible this power bank still charges it fine. I typically use it just as a wireless charger for overnight use, but I like the added feature of a portable power bank. Best Buy rocks!

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Fast and affordable bunny

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

    This is a powerful and fast wireless charger that's affordable and perfect for on the go, from a brand that gives me total peace of mind. It features 5,000 mAh @ 18W to the iPhone Air's battery pack's 3,149 mAh @ 12W, so it's a no brainer especially at this price.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    100% Energized

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

    When my phone battery gets low, I just attach this Energizer battery to my phone in a way we go. Eventually, my phone is at 100%.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    My opinión about my new batterie.

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

    Fast charging, easy to load and carry,good price,this brand majes excellent batteries…

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    No Regrets

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

    Very convenient for in the go charging in a punch. Small and lightweight to fit in bags. It is powerful to get from 47% to 60% in 15-30 minutes. I don't reqret purchase

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Muy bueno !!

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

    I feel so proud to find this product in my trip, is excellent to charge . Your phone on a time.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Great item

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

    Is Gray charges really fast and I am using it right now

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

    Rated 4 out of 5 stars

    Good product but low capacity

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

    Good size, light weight item but it doesnt charge much and it gets hotter

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

    Rated 4 out of 5 stars

    Good for the price, not great

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

    Very compact, and incredibly well priced, This charger should be 5 stars but the magnet is very weak. Weaker in fact than the Best Buy Insignia house brand Magsafe chargers. If you use anything other than the thinnest of cases, it will not stay attached to an iPhone 13.

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

    Rated 5 out of 5 stars

    Charger

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

    It’s amazing , it charges quickly and it very convenient to carry,

    I would recommend this to a friend
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