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Anker Portable Charger, USB-C Power Bank 20000mAh with 20W Power Delivery, 525 Power Bank (PowerCore Essential 20K PD) for iPhone 15/15 Pro /15 Pro Max/14/14 Pro, Samsung, iPad Pro, and More

4.6 4.6 out of 5 stars 6,830 ratings

$34.99
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Purchase options and add-ons

Connector Type USB-A*1 + USB-C*1
Brand Anker
Battery Capacity 20000
Color Black
Special Feature Fast Charging

About this item

  • The Anker Advantage: Join the 55 million+ powered by our leading technology.
  • Charge Fast Anywhere: The 20W USB-C port has enough power to charge an iPhone 12 to 50% in just 30 minutes. Also equipped with an 18W USB port if you need to charge a second device.
  • Ultra-High Cell Capacity: The massive 20,000mAh cell capacity provides 5 charges for iPhone 12, more than 4 full charges for Samsung Galaxy S10, and over 2 and a half charges for iPad mini 5.
  • Wide Compatibility: Charge virtually any mobile device including phones, tablets, and more.
  • What You Get: Anker 525 Power Bank (PowerCore 20K), USB-A to USB-C cable, USB-C to USB-C cable, travel pouch, welcome guide, and our worry-free 18-month warranty.

Frequently bought together

This item: Anker Portable Charger, USB-C Power Bank 20000mAh with 20W Power Delivery, 525 Power Bank (PowerCore Essential 20K PD) for iPhone 15/15 Pro /15 Pro Max/14/14 Pro, Samsung, iPad Pro, and More
$34.99
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Anker Portable Charger, USB-C Power Bank 20000mAh with 20W Power Delivery, 525 Power Bank (PowerCore Essential 20K PD) for iPhone 15/15 Pro /15 Pro Max/14/14 Pro, Samsung, iPad Pro, and More
Anker Portable Charger, USB-C Power Bank 20000mAh with 20W Power Delivery, 525 Power Bank (PowerCore Essential 20K PD) for iPhone 15/15 Pro /15 Pro Max/14/14 Pro, Samsung, iPad Pro, and More
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Price$34.99$35.99$59.99$39.99-11% $33.99
Typical:$37.99
-17% $24.99
List:$29.99
Delivery
Get it Mar 6 - 11
Get it as soon as Friday, Mar 7
Get it as soon as Friday, Mar 7
Get it as soon as Friday, Mar 7
Get it as soon as Friday, Mar 7
Get it as soon as Friday, Mar 7
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Anker Portable Charger, USB-C Power Bank 20000mAh with 20W Power Delivery, 525 Power Bank (PowerCore Essential 20K PD) for iPhone 15/15 Pro /15 Pro Max/14/14 Pro, Samsung, iPad Pro, and More


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Product Description

qjf
RC1

RC2

Wide Compatibility

With support for both Power Delivery and Quick Charge technology, you can now power up virtually any mobile device.

rc2

Impressively Portable

You’d be hard pressed to find another 20,000mAh cell capacity portable charger with such a compact and portable design.

RC5

USB-C Input and Output

The USB-C port supports both input and output, so now you can charge your devices, and recharge your PowerCore at high speed.

rc6

Comprehensive Protection

Our MultiProtect safety system combines high-voltage protection, current regulation, temperature control, and more to keep you and your devices safe.

RC7

Trickle-Charging Mode

Provide safe and optimized charging to low-power devices such as Bluetooth earphones and speakers.

RC8

Helpful LED Indicator

The cool-blue LED displays remaining power and charging status. Just push the button to see how much power you have left.

Model Number: A1287

Anker 525 Power Bank (PowerCore 20K)

The High-Speed, High Cell Capacity Portable Charger

High-Speed Charging

With a 20W USB-C port that packs a real punch, you can charge an iPhone 12, a Galaxy S20, or a PIxel 4 in less than 2 hours.

Power for Days

With a 20,000mAh cell capacity, you can easily keep all of your mobile devices charged up for days on end. You'll wonder how you ever spent so much time plugged into the wall.

Premium Design

With a sleek matte exterior and cool-blue LED light-wheel to display battery level, PowerCore Essential 20000 PD is premium both inside and out.

Trickle-Charging Mode

Trickle charging is designed to provide optimized charging to low-power devices such as earphones, Bluetooth speakers, and other accessories. To activate, press the power button twice or press and hold for 2 seconds until the LED indicator turns green.

Rapid Recharge

Pair up with an 18W USB-C Power Delivery charger (not included) to fully recharge PowerCore’s internal battery in just 6.8 hours. Recharging with a 10W or less charger will take approximately 20 hours.

Note:

  • 20,000 mAh is the total nominal rated capacity of the internal battery cells.
  • USB Lightning cable not included.
  • The power bank is flight-approved and allowed on a plane.
  • Due to software issues, charging the iPhone 15 series is not supported at the moment.

PowerCore Essential 20000 PD
2-pack PowerCore Essential 20000
PowerCore Essential 20000
Anker 20K Power Bank
Anker Zolo Portable Charger, 10,000mAh 30W Power Bank with Built-in Lanyard U...
Anker 537 Power Bank | New Launch
Customer Reviews
4.6 out of 5 stars 6,830
4.6 out of 5 stars 87,181
4.6 out of 5 stars 87,181
4.6 out of 5 stars 1,824
4.6 out of 5 stars 5,433
4.3 out of 5 stars 2,319
Price $34.99 $59.98 $29.99 $59.99 $25.99 $65.33
Series Basic Basic Basic Basic Reserve Premium
Main Feature Portable Portable Portable Built-in Built-In C Cable 65W High Power
Output Ports 1xUSB-C 1xUSB-A 2*USB-A 2xUSB-A Built-in C Cable + 1C1A Built-in C Cable + 1C 2xUSB-C 1xUSB-A
Recharging Time ~6.8Hours (with PD charger) ~8.8 Hours(15w) ~10.5 hours ~2.7 Hours(87w) ~2.5 Hours(20w) ~3.5 Hours
Size 6.22 x 2.93 x 0.76 in 6.22 x 2.93 x 0.76 in 6.22 x 2.93 x 0.76 in 6.2*2.89*1.02 in 4.32*2.58*0.98 in 6.3 x 3.34 x 1.04 in
Weight 0.77lb 0.77lb 0.75lb 0.97lb 0.47lb 476g/16.8oz

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Customer reviews

4.6 out of 5 stars
6,830 global ratings

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Customers say

Customers appreciate the power bank's functionality, battery life, and durability. They find it works well, holds its charge for a long time, and is portable. However, opinions differ on charging speed, weight, and value for money.

AI-generated from the text of customer reviews

335 customers mention "Functionality"268 positive67 negative

Customers like the power bank's functionality. They say it works well for them, has no issues, and is lightweight. It solves their dead phone problems and is useful when traveling and using their phones constantly for translation and map directions. It's good for MacBook Pro and iPad when traveling and easy to toss in a bag or case.

"Functions well, perfect size. I have 2 of these and they recharge quickly, charge devices fast, and have a very reasonable use capacity." Read more

"Works as promised" Read more

"...It worked well in my smart bag and the form factor fit perfectly in one of the pockets...." Read more

"...I'm sure this is a great product, but without the necessary cables/connectors I will never know...." Read more

269 customers mention "Battery life"214 positive55 negative

Customers appreciate the power bank's battery life. They say it provides reliable power without vampire drain, holds its charge for at least a week or two, and has plenty of power. Some customers mention it stays on for 24 hours and delivers more charge than other power banks. Overall, customers find the power bank to be a serious power source when they lose power.

"...my trip was ruined, but my Anker charger was a BEAST - keeping enough of a charge through multiple sub freezing nights and even a sub zero summit to..." Read more

"...months of non-use when I totally expect it to have died, it stays fully charged and ready to go...." Read more

"...The Anker delivers more charge than the other one. The other one is almost precisely one-to-one with my phone...." Read more

"This is a serious power bank...." Read more

182 customers mention "Durability"139 positive43 negative

Customers appreciate the power bank's durability. They say it meets their expectations, lasts long, and is a good quality product with no tears or rips. The included cables are of decent quality, though some mention issues with memory.

"...multiple simultaneous devices at music festivals and such, and just keeps going...." Read more

"...Although harder to return, think anker makes the most reliable and best products. Will continue to buy." Read more

"...I've only had it a few days and can already tell its going to last a very long time. I would highly, highly recommend at this price point...." Read more

"...This battery finally bit the dust. Started to expand and crack. It no longer works. I like the slim size. Lasts a while...." Read more

132 customers mention "Portableness"128 positive4 negative

Customers appreciate the portable power bank. They find it easy to carry around and use when traveling. It's great for charging phones on the go, especially during trips like to Europe or backpacking in remote areas without access to outlets. The travel pouch is a nice addition.

"...The shape is perfect because I can fit it in my vest pocket and have my phone in another pocket if I need to charge while working...." Read more

"...The travel pouch is really nice too." Read more

"This is a great battery charger to take on trips...." Read more

"...Great for traveling, long airplane flights. For a daily phone charge get the Anker with 10,000mAh and C to C charging (in and out)." Read more

110 customers mention "Size"78 positive32 negative

Customers appreciate the power bank's size. They find it compact and lightweight, making it a convenient addition to their purses. It fits in Nintendo Switch carrying cases without putting pressure on the joysticks or screen. The charger is about the length and width of an iPhone 13 and has the same geometric shape.

"Functions well, perfect size. I have 2 of these and they recharge quickly, charge devices fast, and have a very reasonable use capacity." Read more

"...Due to its slim size it fits easily in a backpack or fanny pack, and while it’s a bit chunky for a pants pocket it’ll fit there in a pinch too...." Read more

"...only reason that I took away a star is because of how small the battery indicator lights are...." Read more

"...you that the other one advertises 26800mAh, it's the same geometric shape and size, and has a numeric "segment" display of the charge remaining)...." Read more

527 customers mention "Charging speed"357 positive170 negative

Customers have different experiences with the power bank's charging speed. Some say it charges their devices quickly and has no issues, while others mention it takes a while to charge, needs a USB-C wall plug, and some phones won't charge from the USB-C port.

"...I thought my trip was ruined, but my Anker charger was a BEAST - keeping enough of a charge through multiple sub freezing nights and even a sub..." Read more

"Functions well, perfect size. I have 2 of these and they recharge quickly, charge devices fast, and have a very reasonable use capacity." Read more

"The product is exactly as described. It is kind of heavy and takes a while to charge, which happens for products that hold a lot of charge...." Read more

"...This has gotten through multiple charges of multiple simultaneous devices at music festivals and such, and just keeps going...." Read more

153 customers mention "Weight"63 positive90 negative

Customers have different views on the power bank's weight. Some find it lightweight and slim enough to carry around daily, while others find it slightly heavier than expected and slightly thicker than expected.

"The product is exactly as described. It is kind of heavy and takes a while to charge, which happens for products that hold a lot of charge...." Read more

"...I always have it on me. Light and slim enough that I don't mind having it with me everyday. I listen to podcasts all day while I am working...." Read more

"A bit heavy but 1000 times better than what I had before!" Read more

"Light enough and about the length and width of iPhone 13. I get 4 full charges from 10% to 100% on iPhone 13 with enough juice for a partial charge...." Read more

107 customers mention "Value for money"71 positive36 negative

Customers have mixed opinions about the power bank's value for money. Some find it well worth the price, with fast charging speed and cheaper than replacing the battery. Others say it's a bit pricey, but it will be the last power bank you need.

"...It is absolutely terrific and a bargain price. The only thing that would make it better is a digital meter indicating how much charge is left...." Read more

"...I would highly, highly recommend at this price point...." Read more

"...banks are out that can recharge faster, but they are heavier, more expensive, and may require to be plugged into a high powered charger in order to..." Read more

"...Although I was cutting oz. Off where I could, this was worth the weight and was glad I brought it...." Read more

The Anker chargers are generally great.  Thank goodness.
5 out of 5 stars
The Anker chargers are generally great. Thank goodness.
Excellent delivery time as it was delivered 1 day earlier. Thank you for your diligence.
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Top reviews from the United States

  • Reviewed in the United States on August 11, 2023
    Number of Items: 1Verified Purchase
    Plenty of power to recharge an ipad or iphone. Enough power to substantially add battery life to a laptop.
    The power bank is small for what it does and I think the size is quite nice, but others may feel it’s a little too heavy. I do not think most people would be disappointed at the size considering this is 20,000mAh.
    It holds its charge when not being used for at least a week or two (I have not had it long enough to test it for longer periods yet.)
    It does not run hot.
    The only relative negative is that it takes about 4.5 hours to recharge from empty. This is not too long, but may require some planning depending on the situation. Other power banks are out that can recharge faster, but they are heavier, more expensive, and may require to be plugged into a high powered charger in order to obtain the faster charge.
    This power bank is inexpensive for what you get. One very nice thing is that this charges through C to C, C to lightening, and not just USB-A.
    I do think the shipping took a couple of extra days versus 1 day, but this was disclosed when I bought it.
    It did arrive on the day promised.
    I highly recommend this power bank for anyone that needs more than a daily phone charge. Great for traveling, long airplane flights.
    For a daily phone charge get the Anker with 10,000mAh and C to C charging (in and out).
    24 people found this helpful
    Report
  • Reviewed in the United States on February 15, 2025
    Number of Items: 1Verified Purchase
    Functions well, perfect size. I have 2 of these and they recharge quickly, charge devices fast, and have a very reasonable use capacity.
  • Reviewed in the United States on January 1, 2025
    Number of Items: 1Verified Purchase
    I’ve never seen this power bank run out, ever. This has gotten through multiple charges of multiple simultaneous devices at music festivals and such, and just keeps going. Even after months of non-use when I totally expect it to have died, it stays fully charged and ready to go. Due to its slim size it fits easily in a backpack or fanny pack, and while it’s a bit chunky for a pants pocket it’ll fit there in a pinch too. It also feels very durable and well-made.
    One person found this helpful
    Report
  • Reviewed in the United States on August 7, 2024
    Number of Items: 1Verified Purchase
    This is a great battery charger to take on trips. I went to Sweden last year for almost a month and this charger was solid the whole time I was there. When traveling from place to place where an outlet wasn't available, I always used this to fully charge or top off my phone (Galaxy S20). It worked well in my smart bag and the form factor fit perfectly in one of the pockets. It stays charged when it's not in use, unlike a lot of other battery packs I've tried, which is a bonus! If you're on the go and need to stay charged up, I highly recommend this battery pack! Lightweight (not much heavier than a modern smartphone!), compact and small enough to tuck away in a small bag.
    6 people found this helpful
    Report
  • Reviewed in the United States on February 24, 2025
    Number of Items: 2Verified Purchase
    The product is exactly as described. It is kind of heavy and takes a while to charge, which happens for products that hold a lot of charge. It is absolutely terrific and a bargain price. The only thing that would make it better is a digital meter indicating how much charge is left. It has four little lights indicating full to no charge. It works, but that would be it if you make it better.
  • Reviewed in the United States on October 11, 2023
    Number of Items: 1Verified Purchase
    Being on my phone all the time due to work this battery pack really help with traveling and I don;t have to frantically look for an outlet to recharge my phone. It last a long time before I have to recharge the battery pack again. It is lightweight so traveling with it is a breeze. My main concern is that the battery pack does get hot and I hope it not serious enough to damage my phone. Another thing is that it takes about 5hr to recharge which is fine if I charge it overnight. Otherwise everything work pretty decent except for the heat emitting from the pack.

    UPDATE: upgrading to an extra star for excellent customer support. This was originally 3 stars but upgrading to 4 stars. Customer rep reached out to give some options making things right for the battery pack not meeting expectation. Thank you for assisting me in this issue.
    3 people found this helpful
    Report
  • Reviewed in the United States on January 11, 2025
    Number of Items: 1Verified Purchase
    I cannot recommend this product highly enough. I bought this and another, larger capacity charger for a trek up Mt. Kilimanjaro. I intended to use this as a backup, but on night 2, my larger capacity charger drained 100% when it dipped below freezing. I counted on these chargers to keep my watch, phone, headlamp, and DSLR batteries charged for 8 days. I thought my trip was ruined, but my Anker charger was a BEAST - keeping enough of a charge through multiple sub freezing nights and even a sub zero summit to keep my devices charged the whole time. I was blown away and having put this guy through an extreme test would without hesitation recommend it!!!!
    One person found this helpful
    Report
  • Reviewed in the United States on November 8, 2024
    Number of Items: 1Verified Purchase
    Lots of power, sturdy construction but heavier than expected. Only 2 charge ports but what are the chances you’d need more than that at once! Works great and comes with a breathable carrying pouch