Customers often highlight the MAX 20,000mAh power bank's fast charging speed and impressive battery life. Its overall performance and portability are also appreciated by users. However, some customers find the power bank to be heavier and larger than expected.
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 4 Showing 61-80 of 366 reviews
Pros mentioned:
Charging speed
Rated 5 out of 5 stars
Energizer Power Bank
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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 a little skeptical about a power bank, but purchased it anyway. After the initial charge, I charged my phone and within 20 minutes, my phone was fully charged. I would definitely recommend this power bank to anyone that needed an inexpensive, but powerful power bank!
I would recommend this to a friend
Pros mentioned:
Charging speed
Rated 5 out of 5 stars
Power bank Egenizer
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
20 bucks for Black Friday great deal!! Charges my phone and another without a problem to a 100 percent and both phones with 10% charge in about 40 min so can’t complain
I would recommend this to a friend
Pros mentioned:
Battery life, Charging speed
Rated 5 out of 5 stars
Energizer, so worth it.
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Posted . Owned for 2 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I used this so much I rarely ever use my outlets ( unless I'm charging this ) It can charge both my tablet, watch and phone quite efficiently and it last forever! I've been looking for something like this for a while, so I'm really happy to have something that last.
I would recommend this to a friend
Pros mentioned:
Charging speed
Rated 5 out of 5 stars
Great charger 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.
Very good product, especially for the price. It will recharge anything that has compatible charging cords. Especially like the digital display that shows amount of charge remaining in the charger.
I would recommend this to a friend
Pros mentioned:
Overall performance
Rated 5 out of 5 stars
An Energizer so it has to be good!
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Posted . Owned for 1 week when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Since it was an Energizer, knew that it would be great. Didn't disappoint, for sure. Easy to use and instructions were well written. Definitely recommend this one.
I would recommend this to a friend
Pros mentioned:
Battery life
Rated 5 out of 5 stars
Power bank
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Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
It has a lot of power storage so you don't have to worry about how you are going to charge things while on the road. It does take a while to charge up itself. But it is a good quality for the price and doest what it needs to do.
I would recommend this to a friend
Pros mentioned:
Battery life
Rated 5 out of 5 stars
Easy to use
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Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
Easy to use and easy to charge. I broke my arm and needed to keep my phone charged all the time and this made it easy and fast. The read out let me know how much charge there was left.
I would recommend this to a friend
Pros mentioned:
Battery life, Overall performance, Portability
Rated 5 out of 5 stars
Energizer portable battery
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Great. Very reliable. Easy to use. Long lasting battery life.
No, I would not recommend this to a friend
Rated 5 out of 5 stars
Reliable Power On the Go
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Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
I bought this for myself and I love it. The Energizer Max 20,000mAh power bank has been extremely reliable. It holds plenty of charge and easily keeps my phone and other devices powered throughout the day. The three ports are convenient, especially when charging multiple devices at once, and the USB-C support makes recharging fast and easy.
It feels solid and well built, delivers consistent power, and is great for travel or everyday use. If you need a dependable, high-capacity power bank that just works, this one gets the job done.
I would recommend this to a friend
Pros mentioned:
Battery life
Rated 5 out of 5 stars
Last a long time
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Posted . Owned for 1 year when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
We purchased these power banks to use in heated stadium seats. They worked very well and hold a charge for a good while. I'm not sure of the exact timing. Very pleased!
I would recommend this to a friend
Pros mentioned:
Charging speed, Portability
Rated 5 out of 5 stars
Reliable especially if your on the go busy person
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Posted . Owned for 7 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Charges faster then a wall outlet Charges all my different cell phones Charges my laptop and is very reliable especially if you travel or work on your phone
I would recommend this to a friend
Pros mentioned:
Battery life, Charging speed
Rated 5 out of 5 stars
Great Battery for travel.
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Posted . Owned for 1 week when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I've spent more money and have had less quality. This is well- built, the charges are amazing. I can carry this and use my phone for 2 days without visiting the plug. It lives up to its promises.
I would recommend this to a friend
Rated 5 out of 5 stars
Perfect Power Bank for Everyday Use!
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I’ve been using the Energizer Max 20000mAh Power Bank for a few weeks now, and it’s been an absolute lifesaver! It charges my phone, tablet, and even my wireless earbuds at the same time with no problem. The 15W USB-C output is fast enough to get my phone from 20% to 80% in less than an hour.
The battery capacity is amazing — I can easily get 4–5 full phone charges before needing to recharge the power bank itself. It’s a bit on the heavier side (as expected for 20,000mAh), but still very compact and easy to carry in my backpack.
The design feels solid, premium, and durable, with clear LED indicators that make it easy to see the remaining charge. I also like that it supports both USB-A and USB-C ports, which makes it super versatile.
Overall, this Energizer power bank is powerful, reliable, and worth every penny. Perfect for travel, work, or emergencies. Definitely recommend it to anyone who needs real portable power!
I would recommend this to a friend
Brand response from Jamal Chen
Posted .
Hi ShahinM, We’re thrilled to hear how well the power bank is working for you! Your review highlights exactly what we designed it for—versatile, fast charging with long-lasting power. It’s great to know it’s keeping up with your daily devices and travel needs. Thanks for the recommendation! --Energizer PowerPacks Service Team
Pros mentioned:
Charging speed, Portability
Rated 5 out of 5 stars
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.
Great portable battery, charges my phone up pretty fast. I'm thinking about buying another one.
I would recommend this to a friend
Pros mentioned:
Battery life
Rated 5 out of 5 stars
Awesome
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Posted . Owned for 3 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I purchased this charger on a whim, but I do not go anywhere without it. Orginally I brought this for my camera as I was recording a wedding for a client. I was impressed that throughout a constant use for about 7 hours straight I only drained about half of the battery. This is a life saver and a gem of an item, If your reading this to help you consider making this purchase. Then please but this. You also get two type c connectors and a usb.
I would recommend this to a friend
Pros mentioned:
Port count
Cons mentioned:
Weight
Rated 5 out of 5 stars
Solid charger
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Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
A little heavy, great capacity, all ports functional, simple to use.
I would recommend this to a friend
Pros mentioned:
Charging speed
Rated 5 out of 5 stars
Small & mighty
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
The best portable charger because it can charge my phone 3 times without needing charging itself. It's a bit heavy but I'm okay with the weight because of its power. I bought it on sale so the price was reasonable.
I would recommend this to a friend
Pros mentioned:
Battery life
Rated 5 out of 5 stars
Worth keeping one or two around
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Can charge my phone several times or even my tablet to full, ready to recharge. Had been extraordinarily reliable. I'm very glad to purchased them!
I would recommend this to a friend
Pros mentioned:
Overall performance
Rated 5 out of 5 stars
Review
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Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
Great product, works as advertized, I’m already recommending it to friends and family
I would recommend this to a friend
Pros mentioned:
Battery life, Portability
Rated 5 out of 5 stars
Energizer portable
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Posted . Owned for 1 week when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Excellent charger!!! The Battery life on this portable is well worth the price! I Highly recommend if you are constantly traveling to get the post charge!