Customers value the Ultimate Lithium power bank for its fast charging speed and portability, making it easy to carry around. Users also appreciate its overall performance and the extended battery life it provides for their devices. The power bank's lightweight design and convenient size are additional benefits that customers find appealing.
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 6 Showing 101-115 of 115 reviews
Rated 5 out of 5 stars
very convenient
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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.
solid contruction
charges well
looks great
very convenient
I would recommend this to a friend
Rated 4 out of 5 stars
Mario
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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.
It is worth the money and is practically ill definitely recommend
I would recommend this to a friend
Rated 3 out of 5 stars
Just okay charger
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Posted . Owned for 2 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Thought this was fast charging but when I put on phone it says slow charging device takes too long to charge
No, I would not recommend this to a friend
Brand response from Jamal Chen
Posted .
Hi Picture414, Thanks for your feedback, and we're sorry the charging speed didn’t meet your expectations. This power bank supports up to 20W USB-C PD fast charging and 15W wireless charging, but actual performance can vary depending on your phone model, cable quality, and usage conditions. If your phone shows “slow charging,” we recommend using a certified PD-compatible cable and confirming your device supports PD fast charging. --Energizer PowerPacks Service Team
Rated 5 out of 5 stars
Tornado
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Posted . Owned for 1 week when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Great phone device came in on time from the tornado in st.louis, mo
I would recommend this to a friend
Rated 5 out of 5 stars
Portable power
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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.
Great price, slim design, and dose the job. Magnet holds on.
I would recommend this to a friend
Rated 3 out of 5 stars
Not so easy
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Cord attachment thin and delicate for the price and purpose. Phone doesn't stay on unless laying absolutely flat
No, I would not recommend this to a friend
Brand response from Jamal Chen
Posted .
We’re sorry to hear this power bank didn’t meet your expectations. The thin cord and the need to lay your phone absolutely flat likely relate to the Qi wireless charging design, which requires precise alignment and stable contact between the phone and charging surface. Any tilt or uneven placement can interrupt charging.
Rated 1 out of 5 stars
Only worked for two charge cycles
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Posted . Owned for 2 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
This power bank seems to offer great specs at a great price. It’s a sham. Within ten days it has become nothing more than an ugly paperweight. Although, given the magnetism, I suppose it could be used to hold paper clips or bunches other small metal objects. Fully charged it prior to first use. Once fully depleted, it was recharged to full again and then used to full depletion once more. Since then it has not held a charge at all. The LED lights indicating charging have changed to an unknown pattern not discussed in the manual. I reached out to Energizer support five days ago and have yet to receive any reply. Save yourself the frustration and buy a power bank made by a solid brand like Anker. Those have never failed me.
No, I would not recommend this to a friend
Brand response from Jamal Chen
Posted .
Dear Customer,
We apologize for the issue you've experienced. We would be happy to help you resolve this. Please visit our support page at https://support.energizerpowerpacks.com/ and fill out the form so our team can assist you directly.
-- Energizer PowerPacks Service Team
Rated 2 out of 5 stars
Disappointing purchase
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Posted . Owned for 2 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I didn’t realize that this model does not have a display of the percentage of power left and I was not willing to return it to the store and have to pay a restock fee.
No, I would not recommend this to a friend
Brand response from Jamal Chen
Posted .
Hi HLB21, Thanks for your feedback. This model does not include a percentage display by design, and instead uses LED indicators or similar methods to show remaining power. We understand how that might affect usability, and we’re sorry the return process made it difficult to exchange. --Energizer PowerPacks Service Team
Rated 1 out of 5 stars
Lower Volume button missing. Sreen went black.
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Posted . Owned for 2 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Lower Volume button missing. Screen went black. Now trying to return.
No, I would not recommend this to a friend
Brand response from Jamal Chen
Posted .
Hi there, We’re sorry to hear about the issues you encountered. If the screen went black and the volume button is missing, that definitely sounds like a frustrating experience. Since you mentioned you're already trying to return the item, we acknowledge the return and sincerely apologize for the inconvenience caused. --Energizer PowerPacks Service Team
Rated 1 out of 5 stars
Unfortunate User
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Posted . Owned for 5 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Not a bad portable charger, unfortunately the battery pad suddenly stopped charging, left with connecting my charger cord for juice. Without the cord it’s useless or a paper weight
No, I would not recommend this to a friend
Brand response from Energizer PowerPacks Service Team
Posted .
Hi 2KGAMER, We’re sorry the wireless charging pad stopped working and left you relying on the cord. That’s definitely not the experience we want for our customers. Please contact Energizer support for troubleshooting or a possible replacement:
-- Energizer PowerPacks Service Team
Rated 1 out of 5 stars
Like buying junk on TikTok
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Posted . Owned for 2 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Garbage. It lasted about 60 days and now refuses to take a charge.
No, I would not recommend this to a friend
Brand response from Energizer PowerPacks Service Team
Posted .
Hi Pauliecoconuts, We’re sorry to hear your Ultimate Lithium Power Bank stopped charging after just 60 days. That’s definitely not the performance we expect. Please visit our support page: (https://support.energizerpowerpacks.com/) and fill out the form so our team can assist you with troubleshooting or arrange a replacement. --Energizer PowerPacks Service Team
Rated 1 out of 5 stars
Wireless charging stopped working after 3 months
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Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
Wireless charging has stopped working after about 3 months. Best buy support told me to contact the manufacturer. Lol.
No, I would not recommend this to a friend
Brand response from Jamal Chen
Posted .
Hi SpencerM, Sorry to hear the wireless charging stopped working after just a few months—that’s definitely not the experience we aim to deliver. While Best Buy directed you to us, we’re here to help. Please visit our support page at https://support.energizerpowerpacks.com/ so we can assist you with troubleshooting or arrange a replacement if needed. --Energizer PowerPacks Service Team
Rated 1 out of 5 stars
find something better
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Posted . Owned for 1 week when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
magsafe works with my 25 ultra but charging is so weak and slow its pointless for a fast charge. Also magsafe charging doesnt work for the standerd samsung 25.
No, I would not recommend this to a friend
Brand response from Jamal Chen
Posted .
Hi BostonS, Thanks for sharing your experience, and we're sorry the charging performance didn’t meet your expectations. While MagSafe-style alignment can work with some Android models like your 25 Ultra, it’s important to note that Samsung devices don’t officially support MagSafe, which can lead to slower or inconsistent charging. Also, if you're using a thick phone case, it may prevent proper contact between the charger and your device, causing slow charging or even failure to detect the phone. For best results, we recommend using a thin or MagSafe-compatible case to ensure stable wireless charging.
Pros mentioned:
Battery life
Rated 5 out of 5 stars
Couldn’t be more excited
Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
I was skeptical but it’s a good battery. If you’re looking to use it when you least expect it, grab it. If you’re constantly on your phone then look for a higher Wattage.
I would recommend this to a friend
Pros mentioned:
Charging speed
Rated 5 out of 5 stars
The best portable charger
Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
Magnetic excellence that charges fast and conveniently