Customers have good things to say about the PowerCore III 20K mAh USB-C Portable Battery Charger's long battery life, convenient portability, and compact size. Many appreciate its multiple charging ports, including USB-C, and find the performance and design to be excellent. While some find it a bit heavy, most agree it's a worthwhile purchase.
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 1,402 reviews
Pros mentioned:
Battery life, Portability
Rated 5 out of 5 stars
Worth it!
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Posted . Owned for 1 week when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Charge lasts long and the power bank itself is physically sturdy! Needed it last minute and this saved me! Just wish it had more of a variety of USB ports.
I would recommend this to a friend
Pros mentioned:
Battery life, Charging speed
Rated 5 out of 5 stars
Great power bank
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Posted . Owned for 1.5 years when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
It has alot of battery life, Rapid cell phone charging handy during trips and power outages, very nice works well and no issues definitely worth getting.
I would recommend this to a friend
Pros mentioned:
Battery life, Portability
Rated 5 out of 5 stars
So Far...
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Posted . Owned for 1 week when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Solid product and easily used. Only complaint is that the "instructions" are in such fine print you cannot use them. But it holds a charge and works very well with my iPhone.
I would recommend this to a friend
Pros mentioned:
Battery life, Charging speed
Rated 5 out of 5 stars
Good and fast product
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Posted . Owned for 2 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Bought an older model that had begun to loose its charge. New unit charges at a high speed with 6 full charges of a dead phone in it. Charges up quickly as well
I would recommend this to a friend
Pros mentioned:
Battery life, Charging speed
Rated 5 out of 5 stars
Great device for the Price
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Used this to keep my phone and smart watch on my recent mountain trek in the Grand Tetons. I had no issues and both devices charged up fast and the battery at full charge was good for the full week!
I would recommend this to a friend
Pros mentioned:
Battery life, Charging speed
Rated 5 out of 5 stars
Great price.
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Excellent battery. Charge quickly. Very lite to carry. It ok to pack in your bag. Good purchase. Brought it on sale. Would buy it again.
I would recommend this to a friend
Pros mentioned:
Battery life, Portability
Rated 5 out of 5 stars
Powerful Bank
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Posted . Owned for 9 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I use my power bank everywhere I go. I’ve also drop it many times and still works like a charm. I get many charges out of it.
I would recommend this to a friend
Pros mentioned:
Battery life, Portability
Rated 5 out of 5 stars
Great product for travel
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Posted . Owned for 10 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Excellent choice! Battery lasts for days. Great for travel to keep kids electronics charged.
I would recommend this to a friend
Pros mentioned:
Battery life
Cons mentioned:
Weight
Rated 5 out of 5 stars
Amazing Portable Battery
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Posted . Owned for 1 week when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Very useful for when I forget to charge my phone. It lasts a long time as well in-between charges. It is a little heavy but not a major problem.
I would recommend this to a friend
Pros mentioned:
Battery life, Charging speed
Rated 5 out of 5 stars
Portland charger
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Posted . Owned for 1 week when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Love this charger, it last a long time before going dead and charges my phone pretty fast, am gonna buy my girlfriend one i like it so much.
I would recommend this to a friend
Pros mentioned:
Battery life, Charging speed
Rated 5 out of 5 stars
Great product
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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.
Works great, bought it 2 years ago. Charges phone fast and last up to two days.
I would recommend this to a friend
Pros mentioned:
Charging speed
Cons mentioned:
Weight
Rated 5 out of 5 stars
Fast charge
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
This portable battery charges my devices pretty fast. Its a little heavy but thats ok I was looking for a fast charging portable battery and thats what I got. I love it.
I would recommend this to a friend
Pros mentioned:
Battery life
Cons mentioned:
Weight
Rated 4 out of 5 stars
Overall Good
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Posted . Owned for 2 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Charged great, holds the charge for a good while. I took off a star because it is on the heavier side and its fairly bulky. I used it backpacking and extra weight is always noticable.
I would recommend this to a friend
Pros mentioned:
Charging speed
Cons mentioned:
Weight
Rated 4 out of 5 stars
A bit heavy
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
This battery pack is very heavy and takes quite awhile to charge. I have a Energizer and it is much lighter and charges fast. I will keep this one, but I prefer the Energizer because it's 1. lighter, 2. charges faster, and 3. less expensive.
I would recommend this to a friend
Pros mentioned:
Battery life, Portability
Rated 5 out of 5 stars
Best power pack
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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.
Best power pack I have taken it traveling all over the world and it’s amazing.
I would recommend this to a friend
Pros mentioned:
Charging speed, Usb-c
Rated 5 out of 5 stars
Stop looking and get this one!
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Posted . Owned for 1 week when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Just what I needed. Love that I can charge 2 devices at once. And with 2 USB A jacks and a USB C, it’s perfect for everyone!
I would recommend this to a friend
Pros mentioned:
Battery life, Size
Rated 5 out of 5 stars
Best power bank
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Posted . Owned for 2 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Great power bank ! Can charge both my iPhones pro max and pro fully charged. Great for travel and slim style.
I would recommend this to a friend
Pros mentioned:
Battery life, Charging speed
Rated 5 out of 5 stars
Highly Recommended
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Posted . Owned for 4 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Best charger. It lasts approx 3-4 days and fast charging. Great for traveling. Only con is it takes lot of time to get fully charged.
I would recommend this to a friend
Pros mentioned:
Charging speed
Cons mentioned:
Weight
Rated 5 out of 5 stars
My closest "friend"
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Posted . Owned for 1 week when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
This Anker-PowerCore III 20k is la little bit heavy but fix inside my purse and is very fast charging. Has two UBS making it more affordable. It comes in a fancy bag with its charger cord. I love it.
I would recommend this to a friend
Pros mentioned:
Battery life, Charging speed
Rated 5 out of 5 stars
The best Portable Phone Charger
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Posted . Owned for 1 week when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Anker is my go to for battery tech. This is like my 3rd chargable battery because I keep lending them to family members and never getting them back! Charges my phone quickly and lasts a long time.