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Customer Ratings & Reviews

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Customer reviews

Rating 4.4 out of 5 stars with 858 reviews

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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

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86%would recommend to a friend

Customers are saying

Customers are pleased with the fast wireless charging and good battery life of the Ultimate Lithium 10,000mAh power bank. Many appreciate its ease of use and compact size, finding it convenient for travel. While some users noted the weight, most found a good balance between weight and capacity. A few customers experienced minor compatibility issues or noted that the device can get warm during use.

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 858 reviews
  • Pros mentioned:
    Battery life, Wireless charging

    Rated 5 out of 5 stars

    Perfect accessory for the Road Warrior

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

    I needed a battery pack and a wireless charging station. This was the perfect solution. The wireless charging works with my Samsung S22 Ultra and has plenty of capacity for multiple recharges. What I really like is that the charger shut off after the phone reaches 100%. Please note that these types of chargers do not work with the Samsung Watch 4 unless plugged into the dedicated wireless charger provided by Samsung. This is not a problem. I have other Energizer battery packs that are still working after 5+ years of use.

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

    Rated 5 out of 5 stars

    Best Portable Charger I've Owned

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

    This has been a life saver. It lasts charging several devices, even at the same time. It has charged my phone at least 3 times from near 0% to full charge. I forgot my phone charger on a trip and thankfully I had brought this. It worked flawlessly.

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Rated 4 out of 5 stars

    Great little charger

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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 charger is great! It's intuitive enough that I can use it without instruction which I haven't received. So far I haven't need to charge all devices but it works on everything I have.

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

    Rated 5 out of 5 stars

    Powerful portable

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

    This product is honestly great I charge it once every 2-3 weeks and it’s able to hold enough charge I usually use it for the car as an additional AirPods charger or for smaller accessories. However it’s an amazing portable I wish it just had more ports because one usb port is just not enough at all!!!!

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

    Rated 5 out of 5 stars

    Great charger.

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    Posted . Owned for 1.5 years when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I like it! Takes a while to charge but it will charge my iPhone 3 times. Great to keep it around even in the house. I use it when I’m on the couch because I don’t have a long enough charger from the nearest outlet.

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

    Rated 4 out of 5 stars

    Great Portable Charger but lacks the chargingspeed

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

    While giving you an amazing 20mAh it does really good iobnwith charging your phone both connected and wireless but it soesn’t help that it’s your standard charge and not a fast one

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

    Rated 5 out of 5 stars

    The best charger ever

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

    I bought this charger for my daughter because she was traveling to South Korea and Japan. I wanted to make sure that she would always have a long charger on her charger so that we can keep in touch with each other being so far away. It worked excellent five stars for this product.

    I would recommend this to a friend
  • Pros mentioned:
    Wireless charging

    Rated 4 out of 5 stars

    Almost Perfect

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

    So far it works well, charges my earbuds in their case and my phone with its case on as well. I had hoped it would charge my Samsung Galaxy Watch as that runs on Qi, but it doesn't, which was disappointing.

    I would recommend this to a friend
  • Pros mentioned:
    Wireless charging

    Rated 5 out of 5 stars

    Great for travel.

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

    Perfect for travel, day trips, or in my bag for work. Wireless charging reduces the beating my phone's socket takes, and you don't have to stress about forgetting your cables if your phone has a wireless charge capability.

    I would recommend this to a friend
  • Pros mentioned:
    Wireless charging

    Rated 5 out of 5 stars

    Nice little addition to my travel tools

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

    I haven't used it too many times yet, but I really like that it can be used without a cable, although it doesn't charge as fast as it does with the cable. It worked well for my recent work trip when the charging port at my plane seat didn't work.

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

    Rated 5 out of 5 stars

    Works as designed

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

     only had to charge this thing a couple of times since having it and I’ve had over six months and hold the charge very nicely. I would highly recommend recommend this product.

    I would recommend this to a friend
  • Pros mentioned:
    Wireless charging

    Rated 4 out of 5 stars

    Good for the price.

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

    I was looking a wireless charger at a good price and came up with this particular one. It charges pretty good so far. I happened to get on sale which was a plus. I would recommend it.

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

    Rated 5 out of 5 stars

    Energizer to the rescue

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

    Works as intended and recharges my phone's battery quickly. It has been great to have on longer trips as my phone battery doesn't last as long as it used to. This will keep me from having to get a new one sooner and works for a variety of things as well!

    I would recommend this to a friend
  • Pros mentioned:
    Wireless charging

    Rated 4 out of 5 stars

    Good Charger

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

    The charger works well and charges my phone easily. My only real complaint is that it's very slick so the phone can slide off easily.

    I would recommend this to a friend
  • Pros mentioned:
    Wireless charging

    Rated 5 out of 5 stars

    Energizer 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 haven't been fond of the Energizer brand in the past, but thus charger actually works well. It charges my phone wirelessly> It does what it's supposed to do. The one downfall is that it does not rapid charge the way my smartphone does.

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

    Rated 5 out of 5 stars

    Buy it

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

    Great product. Price is great battery lasts much longer than expected.

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

    Rated 5 out of 5 stars

    Yes!

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

    It really does store a lot of energy like described. And yes the battery does require a lot of charging time. I bought this product for my mom as a present. I’m so satisfied with this product I’m going to buy this product again for myself!

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Rated 4 out of 5 stars

    Nice charger

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    Posted . Owned for 1.5 years when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Very good portable charger would recommend 10/10 must buy again!

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

    Rated 5 out of 5 stars

    Great Charger!

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    Posted . Owned for 10 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Love the charger! It last for a long time and only had to recharge once or twice on my trip! I would definitely buy again!

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

    Rated 5 out of 5 stars

    Great power backup when you need 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 am in a daily walking race and keep music and a walking app on continuous and was eating battery up. Added this back up and can keep everything running as long as I need. For hours if needed. Would buy again.

    I would recommend this to a friend