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Anker 20000Mah Portable Charger Powercore 20100 - Ultra High Capacity Power Bank with 4.8A Output, Poweriq Technology for iPhone, iPad & Samsung Galaxy & More (Black)

by Anker

22,840 ratings

| 14 answered questions

Deal Price:

$79.20 & FREE Delivery. Details

The Anker Advantage: Join the 20 million+ powered by our leading technology.
Ultra-High Capacity: Weighs as little as a can of soup (12.5 oz) yet charges the iPhone 7 almost seven times, the Galaxy S6 five times or the iPad mini 4 twice.
High-Speed Charging: PowerIQ and VoltageBoost combine to deliver the fastest possible charge(does not support Qualcomm Quick Charge). Recharges itself in 10 hours with a 2 amp charger, phone chargers (generally 1 amp) may take up to 20 hours.
Certified Safe: Anker's MultiProtect safety system ensures complete protection for you and your devices.
What You Get: Anker PowerCore 20100 Portable Charger, Micro USB cable, travel pouch, welcome guide Lightning cable for iPhone / iPad sold separately.

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Colour: Black

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Product Information

Colour: Black

Technical Details

Brand	Anker
Model	A1271
Part Number	A1271
Colour Screen	No
Batteries Included	Yes
Batteries Required	Yes
Battery Capacity	20000 milliamp_hours
Battery Cell Composition	Lithium Ion
Number of Ports	2
Total Usb Ports	2
Includes Rechargable Battery	No
Includes Remote	No

Additional Information

Item Weight	354 g
Shipping Weight	476 g
Batteries:	1 Lithium Polymer batteries required. (included)
Item Model Number	A1271
ASIN	B00X5RV14Y
Date First Available	9 February 2017
Customer Reviews	22,840 customer ratings
Amazon Bestsellers Rank	292 in Electronics (See Top 100 in Electronics) #3 in Replacement Parts #40 in Mobile Phone Chargers

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Product Description

PowerCore 20100

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

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

PowerCore

With faster charging, more advanced technology and even better portability.


High-Speed Charging PowerIQ and VoltageBoost combine to deliver a high-speed charge to a wide range of devices.	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.	Universal Compatibility Designed for use with virtually any device that charges from a USB port.

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Customer reviews

5 star		77%
4 star		13%
3 star		4%
2 star		2%
1 star		4%

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Asif Iqbal

Very handy

Reviewed in Australia on 27 November 2018

Colour: BlackVerified Purchase

Another great product from anker..This model doesnt support QC3. But i guess it doesnt matter if you use it to charge iphone or ipads..Some people complaining about slow charging, if you use 12 watt charger which comes with i pad, this battery charge faster..Before you own a larger capacity power bank, it is a good idea to invest in a quality charger..i am using a desktop charger from RAV power to charge my 3 large size power bank and all three of them ( all of them are 20100 mah power banks )can be charged fully within 5-6 hours . I am very happy with this product from Anker

8 people found this helpful

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Stephan R. Gyory

Excellent battery

Reviewed in Australia on 23 May 2019

Colour: BlackVerified Purchase

This is my first charger, and this is the best charger I have ever had. Which sounds stupid except for it holds 10 charges and hold them for so so long.

It is slightly larger and slightly heavy, so if you have a purse, and if it’s not a big purse, then probably get the smaller one. However should you require power for a speaker and a phone to play music all night on a camping trip this is the gadget for you

4 people found this helpful

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Abdur

My favourite power bank so far 👍🏼

Reviewed in Australia on 8 November 2018

Colour: BlackVerified Purchase

May be a little heavier to keep the power bank in your pocket but it’s really worth it. I charger my iPhone 8 Plus 3 times & each time my phone battery was almost less than 5%. But still have 50% battery left in the power bank. After it charge it self 100%, it switch off automatically. Love this power bank unit. I still have a Cygnet power bank but so far Anker is my favourite now 👍🏼

5 people found this helpful

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Jack Evatt

Good product

Reviewed in Australia on 28 March 2020

Colour: BlackVerified Purchase

This is a solid powerbank from Anker,
Purchased for my gf, we are both backpackers so extra fuel for our gadgets is a must, I pretty much always use Anker and Ravpower for my tech charging needs, whether that be powerbank, usb car chargers or cables, those are the only 2 companies I bother with now, reliable, solid and qaulity product, nicely done Anker

One person found this helpful

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Ross Parker

Power to spare!

Reviewed in Australia on 11 December 2019

Colour: BlackVerified Purchase

Used this on a recent trip to Japan where both are phones were being hammered constantly using Maps and Translate. Charging two phones at once and quick charge output was a life saver! Convenient size and shape means it can slip into the side pocket of a backpack or overcoat pocket no problem. The protective fabric sleeve with draw-string closer is great for storing the charging cables in and keeping the cable in place when it is plugged in. Could not fault it!

2 people found this helpful

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They do not support QC3.0

Reviewed in Australia on 26 June 2020

Colour: BlackVerified Purchase

I have owned ANKER 10000mAh in the fast which was a miniature performance monster (as it fast charged my Galaxy Note 8). Unfortunately, I lost it somewhere and ordered this one to take its place. However, this didn't live up to the standards that were set by the previous one I owned. I realize that the ANKER Powercore do not support QC3.0 but I am sure they have their equivalent of "fast charging". Everytime I connected this to my phone (using 4 different cables), it showed cable charging. Therefore, I ended up returning it for a full refund. The search for a good power bank continues!

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Dom

Don't get any other Power Bank.

Reviewed in Australia on 10 February 2019

Colour: BlackVerified Purchase

This is the best power bank on the market. Don't believe me, just look at other reviews. Works exactly as advertised, never have I drained the entire battery (even when traveling long distances). Always stay charged. It was a little heavy than I expected but it charges really fast.

2 people found this helpful

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Inge Ruder

Has already saved me several times

Reviewed in Australia on 31 May 2019

Colour: BlackVerified Purchase

I'm amazed by the capacity of this charger. It has already saved me several times from running out of power on an overseas trip. It charges my iphone very quickly and it's easily and quickly recharged, too.
Only downside might be the weight, but I got used to carrying the charger around pretty quickly.

2 people found this helpful

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Ryan Ramhit

Great service & Better product

Reviewed in Canada on 20 April 2017

Colour: BlackVerified Purchase

After 5 months. It doesn't even charge my phone anymore it just keeps it at its current battery life. stopped charging my girlfriends iphone completely. and doesn't work on other micro SD products such as my portable speaker anymore.
*** UPDATE ***
Anker did send me a replacement free of charge been using it for a week and have had no issues and works even better than the first one I had right out of the box. If I do not update this again then the product has lasted and does the job great. If this one also goes bad after a couple of months I will update. ~ week 2

199 people found this helpful

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Juggernaut

Powerful Portable Charger

Reviewed in Canada on 7 June 2018

Colour: BlackVerified Purchase

At the time of buying this I wanted to get a power bank as my current phone had a battery discharge problem and I was thinking I could extend its life by having a portable charger. I was looking around on amazon and found this. It had quite a few reviews and I have purchased anker products in the past and am usually pretty happy with it. I went ahead and decided to buy this.

It arrived quickly and the product box looked really nice. I opened it up and noticed that the portable charger was a bit bigger than what I anticipated. Inside the box was the portable charger, a usb cable, a carrying case for the portable charger, the warranty info and the manual. I immediately noticed the high quality of the charger. It feels solid in your hands and a bit heavier than I was expecting as well. There are some portable chargers that have extra stuff like a flashlight but this charger just sticks to the basic. There are two USB Ports where you can plug in your usb cable and then connect that to your device. Also, there is one micro usb port for charging the portable charger itself. Lastly, there are 4 LEDs on one side of the charger. These 4 LEDs represent how much juice is left in the portable charger. 4 LEDs means its at 100%. 3 LEDs mean 75% and so on. There is a button on the side of the charger as well. This button lights up the LEDs for you to know how much capacity is left. Anker uses their own technology to speed up the charging which is awesome. I did notice the devices I plugged in took The fact that you can charge two devices at the same time is pretty convenient as well. I have done this a few times and it works quite well.

There are a few reasons I took a star off. One of them is that charging the actual portable charger to its full capacity takes around 8 hours which is quite long. I understand the capacity is quite big but a power adapter for the charger itself could have been included. The other two reasons are weight and size. The weight and size are a little bit annoying to me as when I think of portable chargers I think of something you can put in your pocket and charge your phone at the same time. With the weight and size of this it is a bit difficult to do something specific like that. This is not a huge issue but it is just something I thought could be worth mentioning. I am aware now that anker and other companies offer smaller sized power banks. Overall, I am pretty happy with this purchase. I bought this last year and still can't notice any decrease in quality.

83 people found this helpful

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Brandon

Don't expect much after a couple of months...

Reviewed in the United States on 5 November 2016

Colour: BlackVerified Purchase

Pretty disappointed. It hasn't even been 6 months, and one of the ports don't charge anymore. TBH, after doing some review reading, I was excited about this charger. I bought one for myself and one for my friend. I'm not sure how his is doing or how often he uses it (I don't think that should matter regarding the ports, I can understand if the battery dies over time....hopefully not a short amount of time). I usually use it over the weekends, and took it on another weekend trip to find my self short a charging port. Definitely annoyed!

EDIT 11/08/16: I was contacted by their customer service team the following day after writing this review. Their team was very pleasant to deal with and quick with their responses. Within a day or two, they've already sent out a replacement for the faulty PowerCore 20100 I purchased a couple of months ago! If all goes well, I'll be updating this review again! Great customer service from Anker!

EDiT 2/16/17: Anker's customer service is second to none! The replacement works as it should, but the wire would not charge the PowerCore. After contacting their customer service team again, they were happy to replace the faulty wire sent with the replacement PowerCore. Great company that cares about their customers. I just wish products nowadays lasted longer, but regardless, I'll be buying their products again.

1,193 people found this helpful

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Rik Hanssen

Samsung Galaxy S7 Approved!!!

Reviewed in the United States on 18 October 2016

Colour: BlackVerified Purchase

After fully charging the Anker PowerCore 20100, I ended up running my own personal test to see just how many full charges I could get on my Samsung Galaxy S7.

Everyday, for 5 days in a row, I would allow my phone to drain as much as possible as you can see below....then the next morning I would charge my phone using only the Anker Powerbank until it was fully charged.

Here are the results!

*Charge #1 = 15% to 100% power in 1 hour 35 mins. (4 solid lights)
*Charge #2 = 20% to 100% power in 1 hour 30 mins. (3 solid lights)
*Charge #3 = 08% to 100% power in 1 hour 45 mins. (2 solid lights)
*Charge #4 = 03% to 100% power in 1 hour 50 mins. (1 solid light)
*Charge #5 = 20% to 100% power in 1 hour 25 mins. (1 Blinking light)

The next morning (on day 6), I tried recharging the phone again while the 1 remaining light on the Anker Power bank was still blinking .....

It basically went from 14% to 21% power before the Power bank ended up running completely dry.

So all in all I was able to get "5 Full Charges" from this one Power Bank with my Samsung Galaxy S7.

Hope this helps anyone who is undecided on pulling the trigger!

4,377 people found this helpful

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Amazon Customer

Excellent Anker Customer Service

Reviewed in Canada on 5 June 2018

Colour: BlackVerified Purchase

When I first received it, it wasn't half full and it did take a long time to charge. So I decided to upgrade to the 26800+ that came with the Qualcomm Quick Charge 3.0 and Powerport. Anker reached out to me and assisted me with the issue that I was having. This is still a great product. If you wish to buy this model, I also recommend that you buy the Anker Powerport...Will make life easier.
Thanks to Anker, their exceptionally excellent customer service, and their client appreciation...I am a very happy customer. Great products, excellent quality, and excellent service. I highly recommend any Anker product, as Anker does stand behind their products and quality.

40 people found this helpful

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Jenn

so I was happy with the product

Reviewed in Canada on 6 February 2018

Colour: BlackVerified Purchase

2 stars for the product, 5 stars for the customer service.

My first Anker 20100 Portable Charger died after 1 year - granted, I use it extremely often as I am a Pokemon Go player, so I was happy with the product. At that time, I did not realize there was a warranty, so I purchased a second one (same model, different colour) as a replacement. This Anker 20100 only lasted a few months before it died. Both chargers had the same symptoms: The charger is charged (2-4 lights on), when I plug it in it charges the phone for only a few seconds and then the charger turns off. I contacted Anker support and they were amazing, with few questions asked they sent two replacements within days. I was happily an Anker customer and ready to give a 5 star review because they stand by their products and I was hoping all would be well with the replacements. On day 1, one of the replacements had the exact same issue so it is unusable. I reached out this morning to see if there is a different product I can get instead because 3 portable chargers with the same problem is definitely a pattern of a larger issue. Overall: I would suggest purchasing an Anker product because of their great customer service, but I would not recommend this particular portable charger because I had 3 stop working within a year and a half.

45 people found this helpful

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Kerry C.

and have used it pretty consistently for the past 6 months

Reviewed in Canada on 1 February 2018

Colour: BlackVerified Purchase

I bought this in early August of 2017, and have used it pretty consistently for the past 6 months. Great product! Very satisfied and I feel like I don't need to get in to all the details like in other reviews. I've gone through 3 full charges of my iPhone 8 Plus, and it charges even faster than when I plug to the wall. Once the battery is fully drained, then I'll recharge it again before I go to bed and 7-8 hours later it is ready to go!

It is heavy but I don't mind it! I got used to it for my frequent travels. I will be looking in to the newer, smaller portable battery though!

31 people found this helpful

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Ronald J Cox

Absolutely necessary

Reviewed in Canada on 16 January 2017

Colour: BlackVerified Purchase

Absolutely necessary.

I have a personal story as to why I think everyone should have something like this on them at all times. Maybe not this big, but extra battery in some way, shape or form.

In May 2016, I was evacuated from my home during the Fort McMurray wildfires. I landed in Edmonton and stayed there for a bit with my wife and sister. I was asked to come back up in the middle of May for work, despite the fire still raging around the city. When I came back up for work, the fire ended up flaring up again and started coming towards the plants where I was working, so we were evacuated again. Because of how fast the fire was approaching, we weren't given any time to get back to our rooms to grab anything. That is including a phone charger. I spent the next two days on a motor coach with a bunch of other people going from place to place trying to get away from the fire, watching my battery drain. I kept it off and would turn it on every place I got to, to let my wife and family know I was okay. My phone died as soon as I got on the plane, just after letting my wife know I was okay and on my way home.

Had I had a battery pack, I could have stayed entertained, informed and generally not have as much anxiety. It's a very cheap fix for the problem of low batteries and is a must. I never go far without one. It always comes to school and work with me, and is always 75% charged. You literally can not afford not to have one.

As for the charger itself, I can get around 8 full charges on my phone (Galaxy s6 Edge, 2600 mAh) , and 2.5 full charges on Microsoft Surface pro 3 (5600 mAh). It has a maximum output of around 2A, which is fast enough to charge my phone in ~1.2 hours if I'm not using it at the time.

Pros:
-Can get almost a full week out of your phone before recharging
-Small in size (16.9 x 5.8 x 2.2 cm)
-A must have item for anyone, never know when you'll need it
-Charges relatively fast (2A), can charge most phones in 1.5h (0-100%)

Cons:
-Heavy, lowers convenience
-Long charge time 7-10hs (0-100%)

234 people found this helpful

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Luis Sanchez

Funcionó bien... Al principio

Reviewed in Mexico on 18 October 2018

Colour: BlackVerified Purchase

La verdad estuve fascinado durante el primer año que compre la batería, pues duraba bastante, no era constante su uso, probablemente la usaba una vez a la semana, a un año de haber comprado la batería ya no vuelve a cargar al 100% por más tiempo que este conectada y si no la uso rápido, se descarga a los 2 o 3 días, cosa que no pasaba antes..

14 people found this helpful

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Kai

Holds a massive charge

Reviewed in Canada on 21 August 2018

Colour: BlackVerified Purchase

I've had this power bank for over a year and a half, now. You can charge your phone multiple times on it, and even charge two devices at once. Sometimes I've even charged my phone all the way up and the power indicator didn't go down at all. I've been able to let friends use it on trips without having to worry about it running out before the end of the day. It's hefty, but pretty small for how much energy it provides. If you use a backpack, it won't take up any room at all. I keep it in the mesh bag it came in, it makes the battery way softer (won't scratch anything in your bag) and you can still charge it with the bag on, too.

9 people found this helpful

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Josué

Excelente powerbank

Reviewed in Mexico on 23 August 2019

Colour: BlackVerified Purchase

Sin temor a equivocarme, es el mejor powerbank que he tenido, carga más rápido mi teléfono que si lo conecto a un enchufe regular, la batería dura muchísimo, carga un iPhone 8 entre 8-9 veces (no desde 0%). El material se siente de excelente calidad, tiene un peso considerable, pero nada que resulte incómodo. Sí, tarda en cargarse, pero esto no me representa ninguna molestia, sobre todo por que no tengo que cargarlo a diario. Viene con un cable micro usb para cargarse y una pequeña bolsa de una malla para proteger la batería. Es muy, MUY recomendable.

4 people found this helpful

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Patrick A.

J'adore ! Service à la clientèle exceptionnel.

Reviewed in Canada on 23 November 2018

Colour: BlackVerified Purchase

L'achat de cet appareil a été fait dans le but de jouer à Pokemon Go sans avoir à nous soucier d'un manque potentiel de charge. Malheureusement, dès son arrivé, nous pouvions charger l'appareil mais peu importe le port ou le câble utilisé, aucun courant ne se rendait à l'appareil branché (tests positifs avec d'autres appareils Anker que je possède). Comme nous avions quelques autres appareils dont le 26800, l'idée de contacter le service à la clientèle m'est complètement sorti de l'idée.

C'est seulement près de 10 mois plus tard que l'idée m'est revenue ! (Pas vite, vite :-) )

Shelly (du AnkerDirect Customer Support) a prit le suivi du dossier à coeur et un appareil de remplacement est arrivé en quelques jours. Elle s'est même assurée du bon fonctionnement de l'appareil après sa livraison.

6 people found this helpful

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PammieD

Great for the first month...

Reviewed in Canada on 8 August 2019

Colour: BlackVerified Purchase

I was thrilled with this portable charger. It charged my S7 extremely quickly, and I was getting multiple charges out if it before it would die. This weekend though, after approximately 5 weeks with it, it doesn't keep a consistent charge. It will charge for about 60-90 seconds, and then I have to press the button to get it to start charging again. I'm extremely disappointed, and leary of ordering another one as I am just past the return window.

4 people found this helpful

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Cliente de Amazon

Sorprendente.

Reviewed in Mexico on 16 March 2017

Colour: BlackVerified Purchase

Estoy sorprendido y satisfecho. La batería si carga rápido. Mi Galaxy S6 está siendo cargado en este momento por la batería y va igual de rápido que cargando de pared. Es pesada y tarda una eternidad en volverse a llenar de energía al 100% pero el resultado es excelente. La funda incluida no es dura ni rígida, solo protege de rayones pero es bienvenida. La recomiendo sin duda. Me imagino que cargará mi celular al menos 7 veces y eso me tiene encantado.

8 people found this helpful

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Alan Guillermo

La uso para mi Switch y me sirve 🙌🏻

Reviewed in Mexico on 29 May 2017

Colour: BlackVerified Purchase

Uso esta batería portatil para cargar mi Nintendo Switch. Aunque no lo carga mucho mientras juega (mantiene la batería al mismo nivel cuando se está usando), dura muchísimo la batería. Creo que le dura como dos o tal vez tres cargas completas para el Nintendo Switch. La batería no está diseñada para el uso de la Nintendo Switch, por eso no le carga mucho mientras juega, pero es una buena alternativa

12 people found this helpful

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Anker 20000Mah Portable Charger Powercore 20100 - Ultra High Capacity Power Bank with 4.8A Output, Poweriq Technology for iPhone, iPad & Samsung Galaxy & More (Black)

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Product Description

PowerCore 20100

PowerCore

High-Speed Charging

Perfectly Portable

Highly Durable

Universal Compatibility

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