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Anker 20,100mAh Portable Charger, Ultra High Capacity Power Bank with 4.8A Output and PowerIQ Technology, External Battery Pack for iPhone 15/15 Plus/15 Pro/15 Pro Max, iPad, Samsung Galaxy, and More

4.7 4.7 out of 5 stars 46,800 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Cell Phone Portable Power Banks by Anker

Sustainability features

This product has sustainability features recognized by trusted certifications.

Carbon impact

Carbon emissions from the lifecycle of this product were measured, reduced and offset.

As certified by
Climate neutral by ClimatePartner Climate neutral by ClimatePartner

The Climate neutral label by ClimatePartner certifies that the carbon footprint of a product was calculated and all associated emissions were offset. Additionally, ClimatePartner encourages companies to set ambitious reduction targets and reduce their products' carbon footprints. The certificate number can be entered on ClimatePartner’s website for additional information such as the supported carbon offset project(s). ClimatePartner is improving lives by helping companies tackle climate change with practical solutions.

Learn more about this certification

Certification Number

743M8T
Part of
Climate Pledge Friendly

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Black

Purchase options and add-ons

Connector Type USB Type A, Micro USB
Brand Anker
Battery Capacity 20100
Color Black
Special Feature Short Circuit Protection, LED Indicator Lights, Fast Charging

About this item

  • The Anker Advantage: Join the 50 million+ powered by our technology.
  • Ultra-High Capacity: Weighs as little as a can of soup (12.5 oz) yet charges the iPhone 8 almost seven times, the Galaxy S8 five times or the iPad mini 4 twice.
  • Certified Safe: Anker’s MultiProtect safety system and high-quality battery cells ensure complete protection for you and your devices.
  • What You Get: Anker PowerCore 20100 Portable Charger, Micro USB cable, welcome guide, 18-month warranty, and friendly customer service; USB-C cable (to charge the power bank) and Lightning cable for iPhone / iPad sold separately.
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Anker 20,100mAh Portable Charger, Ultra High Capacity Power Bank with 4.8A Output and PowerIQ Technology, External Battery Pack for iPhone 15/15 Plus/15 Pro/15 Pro Max, iPad, Samsung Galaxy, and More
Anker 20,100mAh Portable Charger, Ultra High Capacity Power Bank with 4.8A Output and PowerIQ Technology, External Battery Pack for iPhone 15/15 Plus/15 Pro/15 Pro Max, iPad, Samsung Galaxy, and More
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Price-20% $39.99
List:$49.99
$31.99$44.99$39.99$79.99$39.99
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Get it as soon as Sunday, Mar 31
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Customer Ratings
For traveling
4.4
4.1
4.6
4.3
3.5
4.1
Charging power
4.4
4.5
4.5
4.2
4.2
4.4
Battery life
4.3
4.5
4.6
4.0
4.2
4.3
Value for money
4.2
4.3
3.3
3.9
4.2
Sold By
Woot
AnkerDirect
AnkerDirect
AnkerDirect
AnkerDirect
AnkerDirect
capacity
20000 milliamp hours
20000 milliamp hours
5000 milliamp hours
connector type
USB Type A, Micro USB
USB-A*1+USB-C*1
Built-in C Cable + 1C1A
USB-C*2+USB-A*1
USB Type C
USB-A*2 + USB-C*1
number of ports
2
2
3
3
2
3
compatible devices
Smartphone
iPhone 15/15 Pro /15 Pro Max/14/14 Pro, Samsung, iPad Pro, and More
iPhone 15/15 Plus/15 Pro/15 Pro Max, iPhone 14/13 Series, MacBook, Galaxy
Ipad
Tablet, MacBook, iPhone iPhone 15/15 Plus/15 Pro/15 Pro Max, iPhone14/13/12 series, Samsung Galaxy, iPad, and More
Tablet, iPhone 15/15 Plus/15 Pro/15 Pro Max, iPhone 14/13/12 Series, Samsung, iPad Pro, AirPods, Apple Watch, and More
voltage
5 volts
5 volts
5 volts
5 volts
5 volts
5 volts
battery charge time
10 hours
24 hours
28 minutes
37 minutes
weight
0.78 pounds
465 grams
0.76 pounds
0.49 pounds
2 pounds
1 pounds

What's in the box

  • PowerCore 20100 Portable Charger
  • Micro USB cable
  • Welcome Guide
  • Product information

    Warranty & Support

    Product Warranty: For warranty information about this product, please click here

    Feedback

    Anker

    Anker 20,100mAh Portable Charger, Ultra High Capacity Power Bank with 4.8A Output and PowerIQ Technology, External Battery Pack for iPhone 15/15 Plus/15 Pro/15 Pro Max, iPad, Samsung Galaxy, and More


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    From the brand

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    From the manufacturer

    1
    1

    Perfectly Portable

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

    High-Speed Charging

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

    Highly Durable

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

    Universal Compatibility

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

    Model Number: A1271

    Anker PowerCore 20100

    Fast-charging and 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

    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 prevents smudges and fingerprints.

    What’s In the Box

    • PowerCore 20100 Portable Charger
    • Micro USB cable
    • Welcome Guide

    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), and iPads.

    • Not compatible with the iPod nano, iPod Classic; Not for devices with an input below 50mA (e.g. some Bluetooth headsets and GPS devices).

    Note:

    • The power bank is flight-approved and allowed on a plane.

    1271 portable charger 1277 portable charger B1375
    PowerCore 20100 PowerCore 10000 PowerCore 26800 PowerCore Essential 20000 PD PowerCore+ 26800 PD
    Customer Reviews
    4.7 out of 5 stars
    46,800
    4.7 out of 5 stars
    66,048
    4.7 out of 5 stars
    36,873
    4.7 out of 5 stars
    6,137
    4.6 out of 5 stars
    2,513
    Series Basic Basic Basic Premium Premium
    Main Feature Light Weight Portable /Light Triple Device Charging PD+PIQ2.0 Quick Charge Macbook Air Supported
    Extra Hours of Battery Life (based on current average smartphone batteries) +92 Hours +46 Hours +123 Hours +92 Hours +123 Hours
    Output Ports 2 x USB-A 1xUSB-A 3 x USB-A 1 x USB-C 1 x USB-A 1 x USB-C 2 x USB-A
    Recharging Time 10 Hours ~4.7Hours 6.5 Hours (using both input ports) 6.5 Hours (using USB-C to USB-C PD Charger) 4.5 Hours (using USB-C to USB-C PD Charger)
    Size 6.6 x 2.4 x 0.9 in 3.6 x 2.3 x 0.9 in 7 x 3.1 x 0.9 in 6.2 x 2.9 x 0.8 in 7.1 x 3.1 x 0.9 in
    Weight 356g/12.56oz 180g/6.35oz 490g/17.28oz 345.5g /12.2oz 576g/20.3oz

    Product guides and documents

    Product Description

    Model number: A1271
    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
    • 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 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.

    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
    Welcome Guide

    Sustainability features

    Sustainability features

    This product has sustainability features recognized by trusted certifications.

    Carbon impact

    Carbon emissions from the lifecycle of this product were measured, reduced and offset.

    As certified by
    Climate neutral by ClimatePartner Climate neutral by ClimatePartner

    The Climate neutral label by ClimatePartner certifies that the carbon footprint of a product was calculated and all associated emissions were offset. Additionally, ClimatePartner encourages companies to set ambitious reduction targets and reduce their products' carbon footprints. The certificate number can be entered on ClimatePartner’s website for additional information such as the supported carbon offset project(s). ClimatePartner is improving lives by helping companies tackle climate change with practical solutions.

    Learn more about this certification

    Certification Number

    743M8T
    Part of
    Sustainability features
    Climate Pledge Friendly

    Customer reviews

    4.7 out of 5 stars
    4.7 out of 5
    46,800 global ratings

    Customers say

    Customers like the performance, durability, and battery life of the power bank. For example, they mention it serves its purpose really well, is long-lasting, and reliable. Some are happy with portability, and capacity. That said, some complain about the weight. Opinions are mixed on charging, and size.

    AI-generated from the text of customer reviews

    6,079 customers mention5,383 positive696 negative

    Customers like the performance of the power bank. For example, they say it serves its purpose well, provides an incredible amount of power, and is the best power bank they've ever owned. Some mention that it's heavy but worth one load. Overall, most are satisfied with the performance and functionality of the product.

    "...Pros:-Worked well for the first 3 1/2 months...." Read more

    "...it's not the newest product on the market, but it is one of the most affordable and reliable...." Read more

    "...Amazing product, long life, excellent reliability, strong charging capability for the life of the charger...." Read more

    "...For the family, this thing can be a big lifesaver, providing essential power during an emergency or family trip when the kids need some more tablet..." Read more

    2,707 customers mention2,448 positive259 negative

    Customers are satisfied with the durability of the power bank. They mention that it is long-lasting, reliable, and has a good night's rest. Customers are also impressed with the quality and appropriateness of the product. They say that it holds its charge for a long time and charges their iPhone faster than a conventional wall. Overall, customers are happy with their purchase and recommend it to others.

    "...looking for a decent phone battery pack this does a good job and seems well built. Maybe I just had a defect issue in mine...." Read more

    "...Button is smooth and responsive. Seams clean/tight and has a durable feel to the entire unit. Looks and feels well made. It's also held up well...." Read more

    "...This charger was extremely reliable. Didn't take long to charge, and the charge never decreased in output...." Read more

    "...it to anyone without reservation, especially for it's battery strength and size...." Read more

    2,299 customers mention1,759 positive540 negative

    Customers like the battery life of the power bank. They say it holds a good charge, can power their phone for days straight, and stores the power. Some mention that it's a great battery back up and amazing during power outages. Overall, most are happy with the performance and functionality of the product.

    "...In all, this is a phenomenal battery pack and a steal at the current price...." Read more

    "...Didn't take long to charge, and the charge never decreased in output. I have purchased other Anker portable chargers after purchasing this one...." Read more

    "...It holds enough charge for long trips. Seems to charge my phone around 5 times. Which is plenty. But I’m not sure on that...." Read more

    "...The Sony receiver is a battery guzzler and I was killing 2-4 AA batteries per session in the receiver...." Read more

    1,525 customers mention1,455 positive70 negative

    Customers find the power bank convenient and easy to carry around. They say it's the best portable power supply out there, and it'll last a long time. Customers also mention that the mesh pouch and travel bag are easy to use and convenient. They also say it is great for having available in the car for kids electronics during long car rides. Customers mention that it is perfect for vacations, trips to amusement parks, and office trips.

    "...It won't fit in your pocket, but easily slips in a purse or backpack.Performance has been excellent...." Read more

    "Holds its charge well and easy to pack. Having the case is great." Read more

    "...life it has left, it came with a charging cable and a nice little case to put it in. I totally love it...." Read more

    "...Have given as gifts so many times. They hold up and are so great for traveling or times you just don't want to be constrained to a wall charger!!" Read more

    943 customers mention931 positive12 negative

    Customers like the capacity of the power bank. They say it has great capacity, is powerful, and holds a lot of power in a small space. Some customers say it can run two phones continuously, hold 4 or 5 full charges, and is one of the largest battery packs you can get for the size it comes in.

    "...I do really like the capacity. I can charge my s7 a good 4 times before the pack is empty...." Read more

    "Slow to charge but holds of lot of power in a small space." Read more

    "...it absolutely charges fast and holds tons of battery...." Read more

    "...This battery pack is one of the largest battery packs you can get for the size it comes in...." Read more

    6,410 customers mention3,877 positive2,533 negative

    Customers are mixed about the charging of the power bank. Some mention that it charges their iPhone fast, while others say that it takes a long time to charge. The power bank is durable, has smart charging technology, and has a power level indicator. It has dual USB outputs and is designed for USB A charging. However, some customers say that the size and weight of the product is why it takes long to charge, while other customers say it didn't charge at all.

    "...Another very important feature is the dual USB outputs...." Read more

    "...It still does a slow charge but since I upgraded phones a few rounds back and moved to phones that fast charge a old "slow" charge is really..." Read more

    "...But I am thrilled with the performance of actual charging.Update 08/19/18I did contact Anker and here is a bit of the exchange:..." Read more

    "...It has a simple design. I liked that it is designed for USB A charging...." Read more

    1,353 customers mention877 positive476 negative

    Customers are mixed about the size of the power bank. Some mention that it's not small, but it' s not big, and the unit is still very compact. They say that it is just about 1.5x the size a smartphone, and that the shape and size is reasonable. Others however, say that the pack is quite large for something called portable, and too big to carry in your pants pocket comfortably.

    "...Lithium cells can only get so small, but the unit is still very compact consider it barely larger than the six 18650 cells that power it...." Read more

    "...It fit well in my back pocket, wasn't as bulky or heavy as the larger ones...." Read more

    "...It is a bit big and heavy - check the specs before you buy. It would be nice if it came with some sort of sack to keep it and its charging cord in." Read more

    "...1. The design. It's slim and simple. No flashlight, no gimmicky extras...." Read more

    1,772 customers mention433 positive1,339 negative

    Customers are not satisfied with the weight of the power bank. They mention that it is essentially a paperweight, too bulky for cute small purses, and a little hefty.

    "...It is a bit big and heavy - check the specs before you buy. It would be nice if it came with some sort of sack to keep it and its charging cord in." Read more

    "This charger is heavy but worth one load and I can charge my iphone at least 4 times , use it mostly going for trips where I can’t plug my phone to..." Read more

    "...It's got some solid weight to it. If you insist on packing light, you might want to consider a smaller pack from Anker...." Read more

    "...It is a little hefty for sure. But with the amount of juice you get in it. I think its worth the extra weight." Read more

    I’ve had this power bank since 2015
    5 Stars
    I’ve had this power bank since 2015
    I was considering upgrading my Anker power bank to something newer or nicer but this thing has kept working since then! Sure it takes a while to charge the actual power bank and it still uses micro-usb but it works!
    Thank you for your feedback
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    Top reviews from the United States

    Reviewed in the United States on June 25, 2018
    Color: BlackVerified Purchase
    2 people found this helpful
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    Reviewed in the United States on May 2, 2017
    Color: BlackVerified Purchase
    18 people found this helpful
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    Reviewed in the United States on July 23, 2020
    Color: BlackVerified Purchase
    8 people found this helpful
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    Top reviews from other countries

    Translate all reviews to English
    Annalise Peterson-Perry
    5.0 out of 5 stars Absolutely love!
    Reviewed in Canada on January 4, 2024
    Color: BlackVerified Purchase
    Amazon Customer
    5.0 out of 5 stars It’s good.
    Reviewed in Australia on April 4, 2021
    Color: BlackVerified Purchase
    2 people found this helpful
    Report
    juan lópez
    5.0 out of 5 stars excelente producto
    Reviewed in Mexico on February 7, 2024
    Color: BlackVerified Purchase
    Luis Martinez
    5.0 out of 5 stars Excelente opción para viajeros
    Reviewed in Mexico on April 7, 2017
    Color: BlackVerified Purchase
    6 people found this helpful
    Report
    Josh Levinson
    5.0 out of 5 stars Excellent portable charger when Quickcharge and travelling ultra light are not important
    Reviewed in Canada on June 22, 2016
    Color: BlackVerified Purchase
    Customer image
    Josh Levinson
    5.0 out of 5 stars Excellent portable charger when Quickcharge and travelling ultra light are not important
    Reviewed in Canada on June 22, 2016
    As an avid nature photographer, I often find myself off the grid, with no or limited access to power sources for charging my phone, camera, and other portable electronic devices. A friend of mine recommended the Anker portable charging devices, so I decided to give them a try. Here I will review the PowerCore 20100.

    PACKAGING: I’m not usually one to care about how a product is packaged (as long it isn’t damaged in transit) - but I have to say, Anker has done a superb job packaging this thing. Maybe not quite at the Apple level, but not too far from it. As soon as you open the box, you get the impression this is a premium product.

    BUILD QUALITY: I’m extremely impressed with the build quality of this product, especially given its very reasonable (dare I say low) price. It feels very dense and solid, while not being unreasonably heavy. At 358 g + 10 g (pouch) + 14 g (cable), this may be getting a bit heavy for hiking/backpacking trips, but is quite lightweight for just about anything else (car/plane travel, car camping, etc.). Speaking of the pouch, this is probably the best soft carrying pouch I’ve ever seen included with an electronics product. It’s made of a nice lightweight mesh, which is lined internally with a thin foam padding that gives added protection against bumps and drops. The USB A ports seem to be of really nice quality, and have a great feel to them when you insert a USB plug into them. This model has two USB ports, allowing charging of 2 devices (at up to 2.4A each) simultaneously - this is a very nice feature to save time when multiple devices need to be charged. The device has a small 4-light LED indicator that provides information on the current charge level, which is very useful for knowing how much juice is left in the battery pack. While not charging or being charged, pressing a small button on the side of the device will activate the LED indicator. The only minor complaint I have is that plugging a cable into the micro USB port is a little more resistant and finicky than I’d like.

    CHARGING: When using this device to charge my Samsung Galaxy S7 Edge (3600 mAh battery), I get an average charging rate of about 1.3 minutes per % (so about 130 min. to fully charge the phone). This rate is similar to what I get from standard (non-fast charge) 2A wall chargers. The PowerCore has the capacity to fully charge the phone just under 4 times, which is expected given the 60-70% efficiency quoted by Anker on their website. In terms of how long it takes to recharge the PowerCore itself, it takes about 11.5 hours to go from empty to full (using a 2A USB charger). One nice feature to point out is that there is no on/off switch - when you plug in a device, it starts charging, and when you unplug it, it stops. So no need to worry about forgetting to turn the charger on or off.

    PROS:
    - Very well built, and seemingly durable
    - Reasonable weight, given the charge capacity
    - Good length micro USB cable and excellent quality carrying/storage pouch included
    - Charge level indicator
    - Charges devices at a good rate
    - Does not need to be switched on/off

    CONS:
    - Time to recharge the PowerCore 20100 is somewhat on the long side, making things a bit tricky. For example, if you wanted to charge overnight, you’d need to start it charging a couple of hours before going to bed, and leave it charging for a couple more hours after waking up - this is a bit awkward.

    CONCLUSION: Overall, I’m very impressed with this product. It appears to be a high quality product that offers a great set of features. No, it doesn’t have Quickcharge capability (either for charging or for being charged), but given its low price, it offers excellent value. Unless Quickcharge is important to you, I would highly recommend this battery pack to people looking for a super convenient way to charge their electronic devices while travelling.

    PICTURES: Among the attached pictures, I’ve included one of the PowerCore 20100 beside a credit card, and another of it beside the PowerCore 10000, to give a relative sense of size.
    Images in this review
    Customer image Customer image Customer image Customer image Customer image Customer image Customer image
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    30 people found this helpful
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