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Customer Ratings & Reviews

$19.99

Customer reviews

Rating 4.1 out of 5 stars with 192 reviews

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Rating by feature

  • Value

    Rating 4.3 out of 5 stars

  • Quality

    Rating 4.1 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 appreciate the Ultimate Lithium power bank for its portability, overall performance, and charging speed, making it a convenient choice for users. The size and magnetic strength are also well-received features. However, some customers have expressed concerns about the battery life and heat dissipation during charging, as well as the strength of the MagSafe 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 9 Showing 161-180 of 192 reviews
  • Rated 3 out of 5 stars

    Magnetic part isn’t durable

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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.

    Although the portable charger is great, it charges my phone fast, and fine, the magnetic part isn’t very durable.

    No, I would not recommend this to a friend
  • Rated 3 out of 5 stars

    It’s alright…

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

    It’s cool in a pinch but will only charge an iPhone once. Get more mAh!

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

      Dear valued customer,
      Thank you for the comment.
      We apologize for the unsatisfactory user experience we have caused you.
      If you have any other questions about the product,
      please feel free to contact us.(service@energizerpowerbanks.com)
      We will be glad to assist you.
      Thank you.

  • Rated 3 out of 5 stars

    Not satisfied

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

    It only charges 1 device and then it’s gone, not enough juice

    No, I would not recommend this to a friend
    • Brand response from Jamal Chen
      Posted .

      We're sorry to hear that the power bank didn't fully meet your expectations. We understand your frustration that it only provides enough power for one full charge. This is a common issue due to power conversion loss, where some energy is lost as heat during the charging process. This means the stated 5,000mAh capacity doesn't translate to 100% usable power for your device. If you feel the performance is still not what it should be, please visit our support page at https://support.energizerpowerpacks.com/ and fill out the form so we can assist you directly.

      -- Energizer PowerPacks Service Team

  • Rated 5 out of 5 stars

    Great power bank!

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

    This wireless charging pad charges quickly and holds a charge.

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

    Loved it

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

    I bought it to take when I went to Tijuana to the Hong Kong club. Just in case my wife called I had juice in my phone.

    I would recommend this to a friend
  • Rated 2 out of 5 stars

    Ewww battery pack

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

    It is an okay charger but it’s more useful as a cup holder

    No, I would not recommend this to a friend
    • Brand response from Jamal Chen
      Posted .

      Hi SeanE,
      We’re sorry the power bank didn’t meet your expectations. It’s designed for portability and MagSafe wireless charging, but if it feels less practical for your needs, we’d love to hear your feedback to improve future designs. If you suspect any performance issues, please reach out to our support team for assistance:

      --Energizer PowerPacks Service Team

  • Rated 5 out of 5 stars

    Great battery

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

    Great little batter for a reasonable price. Purchased for the MagSafe lock.

    I would recommend this to a friend
  • Rated 2 out of 5 stars

    Charger

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

    Takes long to charge and it discharges fast when charging iPhone

    No, I would not recommend this to a friend
    • Brand response from Jamal Chen
      Posted .

      Sorry to hear the power bank didn’t meet your expectations. Rapid discharge and slow charging can sometimes result from using lower-wattage adapters or high-drain devices. If the issue persists, it may be a defect — we recommend visiting our support page for help or a possible replacement:
      👉 https://support.energizerpowerpacks.com/

  • Rated 5 out of 5 stars

    Battery save

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

    Beautiful item to be used in emergency circumstances

    I would recommend this to a friend
  • Rated 2 out of 5 stars

    Battery Charger disapoints

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

    It charged my phone but made it extremely hot. Apple told me that when a charger gets hot it weakens your phone.

    No, I would not recommend this to a friend
    • Brand response from Jamal Chen
      Posted .

      Dear Customer,

      We apologize for any confusion regarding the heat generated by your wireless charger. Please note that if your phone is not aligned correctly on the charging pad, it can cause inefficient charging and lead to increased heat. For optimal charging and to minimize heat, please ensure your phone is centered on the charging pad. If you continue to experience problems with excessive heat even after proper alignment, please visit our support page at https://support.energizerpowerpacks.com/ and fill out the form so we can assist you directly.

      -- Energizer PowerPacks Service Team

  • Rated 1 out of 5 stars

    It’s too dangerous

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    Posted . Owned for 4 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I was using it last night to charge my phone, but the charger pack blew up

    No, I would not recommend this to a friend
    • Brand response from Energizer PowerPacks Service Team
      Posted .

      Hi Crazyjoeishere,
      I’m very sorry this happened. A power bank should never fail in that way, and your safety is our priority. Please stop using it immediately and contact our support team so we can inspect or replace the unit:

  • Rated 1 out of 5 stars

    Would not have purchased.

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

    Firstly did not like because this charger takes too long to charge and once charge lose it charge quickly. Secondly while charging my phone it doesn’t reach 100%.

    No, I would not recommend this to a friend
    • Brand response from Jamal Chen
      Posted .

      Hi Reta,
      Thank you for your feedback—we understand your disappointment. The Ultimate Lithium 5,000mAh power bank has performance limitations due to its battery size and wireless charging design. MagSafe wireless charging offers convenience but is slower than wired charging, and under high power usage, it may not fully charge your phone.
      Also, with a 5,000mAh capacity, this power bank is ideal for quick top-ups rather than full charges, especially if your phone is heavily used during charging. These are design trade-offs, not defects.
      We’re sorry the product didn’t meet your expectations. If you’re looking for alternatives, we’d be happy to help.
      --Energizer PowerPacks Service Team

  • Cons mentioned:
    Battery life

    Rated 1 out of 5 stars

    Is weak charger

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

    They only charged with my iphone one time Not even fifty not even a full charge.

    No, I would not recommend this to a friend
    • Brand response from Jamal Chen
      Posted .

      Dear valued customer,
      Thank you for the comment.
      We apologize for the unsatisfactory user experience we have caused you.
      If you have any other questions about the product,
      please feel free to contact us.(service@energizerpowerbanks.com)
      We will be glad to assist you.
      Thank you.

  • Cons mentioned:
    Battery life

    Rated 1 out of 5 stars

    It’s a no

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

    Weak charger. Would not recommend. Best Buy won’t let me return it.

    No, I would not recommend this to a friend
    • Brand response from Jamal Chen
      Posted .

      Dear valued customer,
      Thank you for the comment.
      We apologize for the unsatisfactory user experience we have caused you.
      If you have any other questions about the product,
      please feel free to contact us.(service@energizerpowerbanks.com)
      We will be glad to assist you.
      Thank you.

  • Best Buy Employee

    Rated 1 out of 5 stars

    Dont get it unless you want a toaster

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

    Do not get this it gets way too hot and makes your phone overheat to the point it dims your screen

    No, I would not recommend this to a friend
    • Brand response from Jamal Chen
      Posted .

      Hi NatH,
      Overheating that causes your phone screen to dim is a serious issue. It may stem from a faulty charging module or poor heat dissipation. We recommend discontinuing use and letting us take a closer look.
      Please visit https://support.energizerpowerpacks.com/ so we can assist you with a warranty claim or replacement.
      --Energizer PowerPacks Service Team

  • Rated 1 out of 5 stars

    Not the best

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

    It overheats and stops charging. Which is frustrating because the battery is still. Ot charged

    No, I would not recommend this to a friend
    • Brand response from Jamal Chen
      Posted .

      Hi OmodeleC,
      Thanks for your feedback, and we’re sorry to hear about the overheating issue. That’s definitely not how the Ultimate Lithium 5,000mAh power bank should perform. It’s designed with built-in temperature control, so if it’s stopping mid-charge, it may be a fault in the unit.
      We’d like to help resolve this—please visit our support page at https://support.energizerpowerpacks.com/ so we can assist you further or arrange a replacement if needed.
      --Energizer PowerPacks Service Team

  • Rated 1 out of 5 stars

    Gets very hot!

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

    When wireless charging, this battery pack made my pixel 9 VERY HOT. I tried it a few times on my trip and decided not to risk it. Tried to return at Best Buy when I returned from my trip, but missed the 15 day return window.

    No, I would not recommend this to a friend
  • Rated 1 out of 5 stars

    Stopped Working after a month

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

    I bought it a month ago and it stopped working. Don’t buy this

    No, I would not recommend this to a friend
    • Brand response from Jamal Chen
      Posted .

      Hi Rando,
      We’re sorry to hear your power bank stopped working after just a month. That’s definitely not the experience we want you to have. This product is built to be durable and reliable, so if it failed so soon, it may be a defective unit.
      Please reach out to us at https://support.energizerpowerpacks.com/ — we’d be happy to help with troubleshooting or a replacement.
      --Energizer PowerPacks Service Team

  • Rated 1 out of 5 stars

    No-Name Brand Quality

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

    Purchased this in a pinch to charge my phone (iPhone 14 Pro). This power bank does not fully charge an iPhone and is prone to overheat. I keep it around as an emergency but there are better options than this.

    No, I would not recommend this to a friend
  • Rated 1 out of 5 stars

    Poor ordering experience and service by best buy

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

    I ordered open box item in excellent condition but Product arrived in worst condition with all scratches and dents. Returned it for another replacement that never arrived. Poor experience. Rating is not for the product but for Best Buy itself

    I would recommend this to a friend