Customers enjoy the long battery life of this 20,000mAh power bank, finding it capable of multiple full charges for their phones and other devices. The inclusion of USB-C ports is also a plus, offering convenient charging options. However, some customers find the power bank to be large and heavy, making it less portable.
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 1 Showing 1-20 of 449 reviews
Pros mentioned:
Battery life, Capacity, Charging speed
Rated 5 out of 5 stars
Percentage meter with USBC lanyard
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Posted . Owned for 8 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Great product! Will recharge my Iphone 16 Pro Max 3 to 4 times. Short USB C to USB c cable that acts as a lanyard. Percentage meter shows percentage left on the back up. After purchasing this one, I bought two more.
I would recommend this to a friend
Pros mentioned:
Battery life, Capacity, Charging speed
Rated 5 out of 5 stars
Great device!
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I have been considering upradinh my phone simply due to a lack of battery life. This device can easily charge my Iphone 12pro 4 times on a single charge. This anker device also supports quick charging. Its really made such a difference for me when traveling charging any and all devices i have with me! No issues rajing with wirh me on Airplane or through TSA
I would recommend this to a friend
Pros mentioned:
Charging speed
Cons mentioned:
Weight
Rated 5 out of 5 stars
Heavy duty bad boy
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Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
Im a fan of this product. Might be heavier weight, but I like the construction and it's a full size. Surprised how quickly it charges when using a 45 watt charging device ( should get one ) I even charged this bank.using a USB c in my car, took a while but got to 100 % . Anker is a sold company too. It's silly not to have to or three extra banks around. Got it for a good price at BB. Winner, winner, chicken dinner!
I would recommend this to a friend
Pros mentioned:
Charging speed, Portability
Cons mentioned:
Weight
Rated 5 out of 5 stars
The Perfect Portable Charger for Vacation!!
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Love this battery pack! It was a life saver on vacation. Could fully recharge my phone with about 15% of the battery. It performed well even when plugging in multiple devices at the same time. It is a little heavy, but I think the battery capacity makes up for it. Would highly recommend!
I would recommend this to a friend
Brand response from Anker Team
Posted .
So glad you love the product! Thank you for your support. We are super excited to provide something that betters your life. We promise to continue striving to exceed your expectations!
Remember your device comes with the manufacturer warranty, and anytime you need help just let us know. Email: [email protected] Phone number: +1 (800) 988 7973
Pros mentioned:
Charging speed
Cons mentioned:
Weight
Rated 4 out of 5 stars
Get it on sale and make sure you have usb-c
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Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
At full price, this is not a crazy good value. If it's on sale though, definitely grab it. Holds at least 5+ full charges for an iPhone 11. Charges slowly with USB-A to USB-C, but USB-C lightning ports charge very fast, so keep this in mind if you don't have a properly powered usb-c port. Very heavy for most people, but for the amount of charge it holds that's expected. The carrying (?) strap is a dual end usb-c, so you'll never be without one.
I would recommend this to a friend
Pros mentioned:
Battery life, Charging speed
Cons mentioned:
Weight
Rated 5 out of 5 stars
Amazing Product!!
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Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
I really love this product. It charges really fast and it comes with a the cord that looks like a holder. I also love that the battery life last really long as well.
The price is awesome as well. That was a plus for my husband.
The only down side about this product is that it is a little heavy.
I would recommend this to a friend
Pros mentioned:
Charging speed, Portability
Cons mentioned:
Weight
Rated 5 out of 5 stars
Good portable battery
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Posted . Owned for 2 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
This portable charger has been very good and very useful. It's small and easy to carry it but it's a little heavy but it charges cell phones very quickly and has its own charging station, which has been very useful.
You even can charge your cell phone up to three times a day.
I would recommend this to a friend
Pros mentioned:
Battery life
Cons mentioned:
Size
Rated 5 out of 5 stars
excellent if a bit heavy
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Posted . Owned for 2 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
This portable battery is an excellent option for travel or daily use. You can recharge your device several times before it runs out of power because it has a capacity of 20,000 mAh, and you can charge three devices at once with its two USB-C ports and one USB-A port. It includes a USB-A cable that also serves as a strap. Keep in mind that it is a bit heavy and wide, but its extra power makes up for it. Highly recommended.
I would recommend this to a friend
Brand response from Anker Team
Posted .
So glad you love the product! Thank you for your support. We are super excited to provide something that betters your life. We promise to continue striving to exceed your expectations!
Remember your device comes with the manufacturer warranty, and anytime you need help just let us know. Email: [email protected] Phone number: +1 (800) 988 7973
Pros mentioned:
Charging speed, Overall performance
Rated 5 out of 5 stars
ANKERDBESTEVER
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Posted . Owned for 1 week when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Unbeatable reliability, unmatched performance! I've relied on Anker power banks for 15 years, and they've never let me down. With their heavy-duty design and cutting-edge technology, Anker power banks deliver exceptional charging power and speed. Whether you're a power user or an avid traveler, Anker's got you covered. Choose the best, choose Anker!
I would recommend this to a friend
Pros mentioned:
Battery life, Charging speed
Rated 5 out of 5 stars
Review for Anker- 20,000 mAh 30w
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Posted . Owned for 1 week when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Living in my car, staying powered up is a daily challenge—but the Anker 20000mAh power bank has truly been a game-changer. It holds a charge for days, powers my phone multiple times, and charges fast when I get a chance to plug it in. The build quality is solid, and for the price, it’s honestly one of the best investments I’ve made. If you’re in a tough spot or just need reliable backup power, I highly recommend it.
I would recommend this to a friend
Brand response from Anker Team
Posted .
So glad you love the product! Thank you for your support. We are super excited to provide something that betters your life. We promise to continue striving to exceed your expectations!
Remember your device comes with the manufacturer warranty, and anytime you need help just let us know. Email: [email protected] Phone number: +1 (800) 988 7973
Pros mentioned:
Charging speed, Portability
Rated 5 out of 5 stars
Reliable, Fast, and Built Like a Tank
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Posted . Owned for 2 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I recently bought this Anker 20,000mAh 30W power bank and it’s been awesome so far. It charges my phone super fast and has more than enough capacity to get me through a couple of days without needing to recharge it. I’ve even used it for my tablet and it handled it like a champ.
The build quality is great—it feels sturdy but still portable. I really like the digital battery indicator too; it’s a nice touch that makes it easy to keep track of the charge level.
If you need a dependable power bank for travel, work, or just everyday backup power, I highly recommend this one. Anker nailed it!
I would recommend this to a friend
Pros mentioned:
Battery life, Charging speed
Rated 5 out of 5 stars
Fantastic portable charger
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Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
Great charger! Works well, super fast charger for android and can stays powered on for a very long time. Good purchase for flights, car trips, concerts, or going for walks
I would recommend this to a friend
Pros mentioned:
Capacity, Charging speed
Rated 5 out of 5 stars
Powerbank
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Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
Excellent product I recommend it I can charge my cell phone up to 5 times very good
I would recommend this to a friend
Pros mentioned:
Portability
Rated 5 out of 5 stars
Anker Power Bank 20k
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Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
I love how this powerbank looks. What I truly love about what this powerbank offers that is so different from the rest, is the strap that carries with the power bank. The strap is the charger that charges the powerbank and can click and unclick for its daily use which for me is a game changer. Definitely get it guys! I strongly recommend it!
I would recommend this to a friend
Pros mentioned:
Charging speed
Rated 5 out of 5 stars
Great quality at an affordable price!
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Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
I forgot my power bank at the hotel during my trip, so I had to buy a new one. Its quality is really good, and it was even on sale! The included charging cable is super convenient and supports fast charging.
I would recommend this to a friend
Pros mentioned:
Battery life, Overall performance
Rated 5 out of 5 stars
Awesome
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Posted . Owned for 7 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Most reliable and stable charger.
I love it.
I can charge my surface pro9 up to 4 times with a single charge.
I would recommend this to a friend
Pros mentioned:
Charging speed
Rated 5 out of 5 stars
Fast charging
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
My other Anker battery started bulging— I forgot it in my car :/ So I bought this one to replace it. Fast charging and I really love that it comes with its own cable, which also works as a handle to carry it—convenient!
I would recommend this to a friend
Pros mentioned:
Overall performance
Rated 5 out of 5 stars
Charge!
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Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
Works perfect for my needs. I was a little nervous because it was a opened box, buti am very happy with the charger.
I would recommend this to a friend
Pros mentioned:
Portability
Rated 5 out of 5 stars
Anker - Power Bank (20,000mAh, 30W) - Black
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Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
Love it ! So convenient to carry anywhere has no plug in, and specially when it has no power, recommend it!
I would recommend this to a friend
Rated 5 out of 5 stars
Good charger
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Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
I really needed a portable charger that would be able to charge my MacBook Air fully cause I have one that’s battery in my computer that would drain quicker then before. It has a charger that also is used as a handle for the charger which I like and it has a screen with a battery percentage to show how much battery your charger left