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Anker Portable Charger PowerCore 20,100mAh - Ultra High Capacity Power Bank with 4.8A Output, External Battery Pack for iPhone, iPad & Samsung Galaxy & More (White)

4.6 out of 5 stars 2,408 ratings

Currently unavailable.
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Color: White
Connector Type Lightning, Micro USB
Brand Anker
Battery Capacity 20100 Milliampere Hour (mAh)
Color White
Special Feature Short Circuit Protection, LED Indicator Lights, Fast Charging

About this item

  • Certified Safe: Anker's MultiProtect safety system ensures complete protection for you and your devices
  • Certified Safe: Anker's MultiProtect safety system and high-quality LG battery cells ensure complete protection for you and your devices
  • Certified safe: Anker MultiProtect safety system and high-quality LG battery cells ensure complete protection for you and your devices
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Anker Portable Charger PowerCore 20,100mAh - Ultra High Capacity Power Bank with 4.8A Output, External Battery Pack for iPhone, iPad & Samsung Galaxy & More (White)
Anker Portable Charger PowerCore 20,100mAh - Ultra High Capacity Power Bank with 4.8A Output, External Battery Pack for iPhone, iPad & Samsung Galaxy & More (White)
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PriceCurrently unavailable.$44.99$25.99$69.99-11% $39.98
List:$44.99
$69.99
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Get it as soon as Tuesday, Jul 1
Get it as soon as Tuesday, Jul 1
Get it as soon as Tuesday, Jul 1
Get it as soon as Tuesday, Jul 1
Get it as soon as Tuesday, Jul 1
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Product information

Product Dimensions 6.64 x 2.28 x 0.87 inches
Item Weight 3.52 ounces
ASIN B00X5SP0HC
Item model number AK-A1213021
Batteries 1 Lithium Ion batteries required.
Customer Reviews
4.6 out of 5 stars 2,408 ratings

4.6 out of 5 stars
Best Sellers Rank
Is Discontinued By Manufacturer No
Date First Available May 5, 2015
Manufacturer Anker

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Anker Portable Charger PowerCore 20,100mAh - Ultra High Capacity Power Bank with 4.8A Output, External Battery Pack for iPhone, iPad & Samsung Galaxy & More (White)


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From the manufacturer


PowerCore

Probably our most popular charging series. With faster charging, more advanced technology and even better portability.

PowerCore 20100

A frontier in portable charging. PowerCore 20100 offers an unbelievable size to cell capacity ratio along with top-class charging speeds.

Thanks to Anker’s advanced charging technology, you’ll wonder why you ever wasted time plugged in to the wall.

  • Huge 7-Day Charge Cell Capacity
  • Portable, Pocket-Friendly Size
  • High-Speed Universal Charging
  • Dual-Device Output

Perfectly Portable

Lighter than a can of soup, PowerCore fits easily inside backpacks, purses, or computer bags.

Highly Durable

Constructed with premium materials to keep you charging again and again.

High-Speed Charging

Anker’s world-renowned PowerIQ and VoltageBoost combine to deliver a high-speed charge to a wide range of devices.

Universal Compatibility

Designed for use with virtually any device that charges from a USB port.

Model Number: A1271 Anker PowerCore 20100

Fast-charging, long-lasting, portable power.

From ANKER, America's Leading USB Charging Brand

• Faster and safer charging with our advanced technology

• 50 million+ happy users and counting

Ultra-High Capacity

Enough power to keep you going for days. Charge an iPhone 8 almost seven times, a Galaxy S8 five times or an iPad mini twice.

High-Speed Charging Technology

Exclusive to Anker, PowerIQ and VoltageBoost combine to ensure your devices charge at their fastest possible charge speed. Does not support Qualcomm Quick Charge.

Enormous 4.8A Output

Output of 4.8 amps provides enough power to simultaneously charge any combination of devices at full speed.

MultiProtect Safety System

Surge protection, short circuit protection and more advanced safety features keep you and your devices safe.

Matte Finish

Enhances grip and prevents smudges and fingerprints.

For Optimal Use:

• Use the included cable, your original cable or a third-party certified one (such as MFi); AC adapter not included.

• Please use your original Apple charging cable (not included) to charge Apple products.

• Compatible with most USB-charged devices, including iPhone 8 / X / XS / XS Max / XR (Lightning cable required), Android smartphones and tablets (including the Nexus 7), USB-C MacBooks / iPad (USB A to C cable required). • Not compatible with the iPod nano, iPod Classic; Not for devices with an input below 50mA (e.g. some Bluetooth headsets and GPS devices).

What's In the Box

PowerCore 20100 Portable Charger

Micro USB cable

Travel Pouch

Welcome Guide


From the brand

Product Description

Anker PowerCore 20100
High-speed-charging, long-lasting, portable power.

From ANKER, America's Leading USB Charging Brand
Faster and safer charging with our advanced technology
20 million+ happy users and counting

Ultra-High Capacity
Enough power to keep you going for days. Charge an iPhone 8 almost seven times, a Galaxy S8 five times or an iPad mini twice.

High-speed Charging Technology
Exclusive to Anker, PowerIQ and VoltageBoost combine to ensure your devices charge at their their fastest possible charge speed. Does not support Qualcomm Quick Charge.

Enormous 4.8A Output
Industry leading output of 4.8 amps provides enough power to simultaneously charge any combination of devices at full speed.

MultiProtect Safety System
Surge protection, short circuit protection and more advanced safety features keep you and your devices safe.

Matte Finish
Enhances grip and doesn't leave smudges or fingerprints.

World Famous Warranty
At Anker, we believe in our products. That's why we back them all with an 18-month warranty and provide friendly, easy-to-reach support.

What's In the Box
PowerCore 20100 Portable Charger
Micro USB cable
Travel Pouch
Welcome Guide

For Optimal Use:
Use the included cable, your original cable or a third-party certified one (such as MFi).
Compatible with the new 12 inch MacBook 2015 (USB-C to USB 2.0 cable needed), Apple and Android smartphones, tablets (including the Nexus 7) and other USB-charged devices except for the iPod nano, iPod Classic, HP TouchPad, Dell Venue 11 Pro, Asus tablets and some GPS and Bluetooth devices.

Customer reviews

4.6 out of 5 stars
2,408 global ratings

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Customers say

Customers find the power bank works well and is heavy-duty, with good battery life and value for money. They appreciate its portability for travel, and one customer specifically mentions it works well with Nintendo Switch. The charging speed receives mixed feedback - while some say it charges phones to 100%, others report it takes all day to charge devices. The size and weight are also mixed aspects, with some finding it fits nicely in a zip-up day planner while others consider it bulky.

378 customers mention "Functionality"336 positive42 negative

Customers find that the power bank works well, with one customer specifically noting its compatibility with Nintendo Switch and another mentioning it successfully recharged their iPhone multiple times.

"...hurting it by not letting battery run down more but still working fine after several years." Read more

"...It worked fine...." Read more

"...It qualified for 1 day shipping so the next day, I was back. This device was great...." Read more

"...Benefits: it works great using my usb led lightbulb (shines very bright) and charges my samsung or iphones At the same time...." Read more

222 customers mention "Battery life"157 positive65 negative

Customers praise the power bank's battery life, with one mentioning it provides plenty of power for weekend use, while another notes it keeps their phone charged while playing Pokémon Go.

"Good battery...." Read more

"Use long enough longer battery life and durable" Read more

"...I tested this battery with Ipad 3 an still under 1 amp output from the battery !!!..." Read more

"...It charges super fast, never loses charge while not in use, and holds a lot of power. Pros: Extremely portable, good looking, and simple...." Read more

185 customers mention "Durability"159 positive26 negative

Customers praise the power bank's durability, noting its heavy-duty construction and good build quality, with one customer mentioning it kept their phone alive all day.

"...Everything from packaging to the build quality was very, very nice...." Read more

"...was used to make the charger is clearly extremely durable and very high quality. I’ve dropped the charger a multiple times and it’s never hiccuped...." Read more

"...] Feels solid and rather compact...." Read more

"...The affordable price is a plus and Anker products are quality. FYI, I am not advertiser for Anker, and I dont get paid to write reviews...." Read more

106 customers mention "Portable capacity"106 positive0 negative

Customers praise the power bank's capacity for travel, describing it as the best portable power supply.

"...I would hands-down say that this is the best portable charger anyone can buy...." Read more

"...A power bank should be small and portable, and Anker did this beautifully...." Read more

"...I thought I might end up returning it because, though it is certainly portable, it isn't something I would ever throw in a bag to carry around with..." Read more

"...Pros: Extremely portable, good looking, and simple. The lights for the charge percent are easy to understand. It can easily fit in a pocket...." Read more

90 customers mention "Value for money"69 positive21 negative

Customers find the power bank well worth its price.

"...The price doesn’t break the bank and the amount of MAh you get for the price is unbeatable...." Read more

"...I mainly bought this because it was reasonably priced and had such a high rating. I'm not sure it's worth keeping." Read more

"...The affordable price is a plus and Anker products are quality. FYI, I am not advertiser for Anker, and I dont get paid to write reviews...." Read more

"...would have solved all of my charging needs, but it falls short on my most expensive device (ipad air 2)...." Read more

123 customers mention "Size"77 positive46 negative

Customers have mixed opinions about the power bank's size: while some appreciate that it fits nicely in a zip-up day planner, others find it large.

"...] Feels solid and rather compact...." Read more

"This charger is quite a bit larger and heavier than I was expecting...." Read more

"...This charger is slim and lightweight, so it fits nicely in my purse (thanks for the soft case so it keeps it clean in my messy purse, too!)...." Read more

"...I gave this product 5* because this product is unbeatable in terms of size and capacity...." Read more

147 customers mention "Weight"37 positive110 negative

Customers find the power bank heavy and bulky.

"Good battery. Its heavy so not a charger to carry around in your purse or pocket but not an issue as I wanted one to use when plan to be in one..." Read more

"...The charger is not light but also not heavy—It’s at a good weight for a quality charger...." Read more

"...The PowerCore 2 though, is still a heavy battery pack that will give you substantially more power on the go, but it is better fitted if it stored..." Read more

"...The unit fits nicely in your hands. It does have a good weight to it, but it is a 20k power bank. The weight is expected...." Read more

Nearly 3 years and it’s still like new!!
5 out of 5 stars
Nearly 3 years and it’s still like new!!
I’ve had this AMAZING Anker Portable Charger for almost 3 years now and I still have nothing negative to say about it! I take it with me everywhere I go and I never have to worry about a low-battery phone. I bought a Qualcomm Anker Single PowerPort along with an Anker PowerLine Lightning Cable and whenever the charger becomes low, I just plug it in with the PowerLine and PowerPort overnight and it’s fully charged in the morning. A fully charged charger gives around 8 full charges for my iPhone 8 and it always charges fast too. For almost 3 years, I’ve never had one issue with my Anker charger and if it were to ever kaput on my one day, I’d buy another Anker charger in an instant. The material that was used to make the charger is clearly extremely durable and very high quality. I’ve dropped the charger a multiple times and it’s never hiccuped. The casing material is so durable that it barely gets any damage from the drops, even with the travel pouch on. The charger is not light but also not heavy—It’s at a good weight for a quality charger. I would hands-down say that this is the best portable charger anyone can buy. The price doesn’t break the bank and the amount of MAh you get for the price is unbeatable. My brother recently bought one like this for his Switch and it’s good to see that the quality Anker puts out has not faultered. I’d no doubt recommend this to anyone and would buy another charger from Anker in a heartbeat.
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Top reviews from the United States

  • Reviewed in the United States on February 9, 2025
    Color: WhiteVerified Purchase
    Good battery. Its heavy so not a charger to carry around in your purse or pocket but not an issue as I wanted one to use when plan to be in one location for an extended time(hospital, sitting at home & not near outlet, vacation) try to charge it when goes down just one bar as otherwise takes longer. I may be hurting it by not letting battery run down more but still working fine after several years.
  • Reviewed in the United States on April 17, 2018
    Color: WhiteVerified Purchase
    I ordered this Anker portable charger while on a visit in Ohio. I thought it would be useful for my return flight to Colorado to power my various devices. I paid extra to have the charger set delivered in one day to be sure I'd have enough time to charge the battery before my flight. The package arrived the next day. However, when I opened the package I discovered that although the battery was present in the box, the accessories box inside the main box was empty. The accessories box was supposed to contain the fabric travel pouch and, more importantly, the micro USB charging cable. Yikes! I immediately emailed AnkerDirect via Amazon asking if they could ship out replacement cable and pouch ASAP, but did not really expect to hear anything definitive from them until the next morning. I figured it was unlikely they would be able to get the replacements to me in time, so started looking around for a micro USB cable I could borrow that night to charge up the battery. Success! I found one for another device I that I was able to use to charge up the battery that night. (It had arrived with only a 50% charge.)

    The next morning I received an email from Sharon at AnkerDirect. She said she had arranged for a replacement to be shipped to Ohio. I replied to her about borrowing a cable and so I was no longer in a bind about getting the unit charged up and asked if she could ship the replacement to my home in Colorado instead if the replacement shipment hadn't yet gone out. She emailed back that it had already been shipped, but she would send a second replacement to Colorado. Which she did. Now I consider that pretty stellar customer service! My only unhappiness was with the original shipment not being complete, but Anker bent over backwards to rectify the situation.

    As far as the charger itself, I used it on the plane and at the airport for my laptop and my tablet. It worked fine. I'm quite pleased with it.Portable Charger Anker PowerCore 20100mAh - Ultra High Capacity Power Bank with 4.8A Output, External Battery Pack for iPhone, iPad & Samsung Galaxy & More ()
  • Reviewed in the United States on June 7, 2016
    Color: WhiteVerified Purchase
    I'm really not sure what I'm more impressed with, this product, or Anker support.

    I was not paid, and did not receive a discount for my review, this is just a great product from a great company. I've bought several large capacity batteries recently for my MS Surface 3 (non-pro). While several of them have been equal or greater in advertised capacity, in testing they have faiIed to deliver anything close to the advertised capacity or full 2.4 amp charging rate. Additionally the built quality on all of them have been poor to middling. This unit is very solid, with no flex or poorly aligned seams. The case itself is a "soft touch" that is comfortable to hold and still nice to look at. It is about as heavy as a battery of this capacity should be, though I haven't weighted it, "Light weight" is not a description that fits. That being said, it's equal or lighter than the other 3 I've tried.

    I had a 5 hour flight recently, and spent the whole time playing "Grim Dawn" which pushes my Surface to it's limit power wise. Additionally my girlfriend in the seat next to me was watching movies on her Galaxy Tab 7. When we landed, this thing still had 2 bars on it, and that was the defective one.

    The original pack I purchased wouldn't finish charging, I left it plugged in for a couple days and it still wouldn't register as "Full". Anker support responded to my support request in under 12 hours, and replaced the defective unit promptly and politely. In a world of high technology, things will go wrong, even Apple makes a bad iPhone every now and then. The important thing is what the company does when something does go wrong. Anker support is as good as their product are. Buy this.

    PS, If you think I got paid for this review, just go look at how crappy most of my other reviews are, and realize I like this product enough to write more than 2 sentences about it.
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