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Anker 4400mAh Extended Battery with Dark Blue Cover for Samsung Galaxy S3 S III, GT-I9300, fits EB-L1G6LLU, with NFC/Google Wallet Compatibility [18-Month Warranty]

4.6 out of 5 stars  See all reviews (435 customer reviews) More about this product

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Product details

  • Boxed-product Weight: 141 g
  • Delivery information: We cannot deliver certain products outside mainland UK ( Details). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout.
  • ASIN: B009SY3R36
  • Date first available at Amazon.co.uk: 3 Mar. 2014
  • Average Customer Review: 4.6 out of 5 stars  See all reviews (435 customer reviews)
  • Amazon Bestsellers Rank:
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Customer Questions & Answers

Customer Reviews

Top Customer Reviews
5.0 out of 5 stars first impressions 14 Jun. 2013
By Chris
Verified Purchase
adding my vote to this battery & cover. In one word, a great product.
The case snaps perfectly, has a nice shape and contour. It actually adds to the phone's ease of use - unless you really need the "slimmest possible form" - , because the phone can be held more firmly. The extra weight is meaningless to be honest.
The battery is awesome. Really transforms the galaxy s3. It snaps firmly into the battery groove of the phone and does not need the back plate to keep it in place.
-10% after 3 hours of constant use, such as browisng, listening to music, wifi syncing music... Original battery would drop apprx 25 - 30%.

Note: If you feel like you need to change stock battery because your almost new galaxy s3 suddenly lasts half a day in idle state... check your sd card.... if you have one and if it is sandisk brand... that is the reason...
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5.0 out of 5 stars Plenty of power 29 May 2015
By Charlie
Verified Purchase
The battery is larger than normal and makes the phone twice as thick but the phone can go several days on one charge ... I use a APP for navigation when hill walking which uses a lot of battery power .... This battery keeps going on 5/6 hour walks whereas a normal battery goes flat
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5.0 out of 5 stars 12hrs use on this battery 7 July 2015
By Donny
Verified Purchase
Really excellent product, extended phone use finally! Adds a welcome few grams of weight to my samsung phone. Does get a little warm at times, i get a full 12hrs of use before battery recharge message pops up. follow charge and discharge instructions carefully. So far loving it.
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5.0 out of 5 stars Five Stars 26 Feb. 2016
By Alex
Verified Purchase
Great battery, also makes my phone feel more sturdy.
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5.0 out of 5 stars A daily power house 19 Jun. 2014
By Foz
Verified Purchase
For heavy use, with a slightly larger case, with a battery that will last you all day - this is your answer.

Just buy it.
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4.0 out of 5 stars Battery = excellent / Case = cracked 26 Feb. 2014
Verified Purchase
The battery itself is excellent, but the back case cracked on the top right corner on the first fitting, which I was not expecting.
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19 of 20 people found the following review helpful
5.0 out of 5 stars More than doubles the life of my SIII 8 July 2013
Verified Purchase
I'm not a heavy user (though my wife would disagree) and can make the normal battery the phone came with last 36 hours. I have become rather obsessed about killing apps when I'm not using them (Dropbox and Facebook can drain power and any free game with adverts can really burn through your charge, even when you're not playing them), hence my normal 36 hour lifetime.

This battery extends that life to just over three days. This includes plenty of wifi, facebook, twitter, etc, and some photos and general web surfing. I don't play many games or watch a lot of video (though I do sometimes) and I turn the wifi and GPS off unless I'm using them - easy to do with the SIII. Plus the odd call and text of course.

There are many power management apps out there but they seem to do what I do anyway, just automatically, so I don't use them (except Battery Saver which manages the charging process). I also always charge the battery full and run it down to less than 20% (often less than 15%) before recharging.

The only downside of this battery is the recharge time - it takes between 5 and 11 hours to fully charge up depending on what's running, but doing it overnight makes that less of a chore.

It does make the phone quite chunky but it just feels like it punches its weight now, rather than feeling a bit skinny as it did before. The battery itself feels a bit tight in the socket - I wonder if the reviewer who complained about crashing has their battery seated correctly. But once it's in it works, for me anyway.

Simply put, if you want more life out of your SIII, get one of these.

Update: I've resolved the charging issue. Samsung may make great phones but they sell them with lousy chargers.
Read more ›
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1 of 1 people found the following review helpful
4.0 out of 5 stars Very Fast 1 Feb. 2014
By prisrob TOP 50 REVIEWER VINE VOICE
I have several mobile devices and take 3 with me when I travel my iPhone, iPad, and kindle. I try to find outlets at airports to plug them in, but so does 75% of the rest of the travelers. Each device's battery has a different length of life, my iPad battery runs out more quickly, followed by my iPhone and then my kindle. By carrying all three, I hoped that using them one by one I would have a mobile device for my East to West Coast travels. Now, we have external battery chargers, and they are a life saver.

This battery pack came well packaged, easy to open and encased in a strong plastic case. It has one port and comes with a charging cable and a soft blue bag. The battery has an on/off button and also has auto shut off. A blue LED indicates when the battery is turned on. While you are charging your device the LED is on. Thus charger has an indicator to show how much charge is remaining, each of the lights are 25%. This battery pack is a very good size, small, light weight, and can be easily placed in a purse or pocket.

This battery charger is ideal for charging a smartphone 100% and an iPad 50%. My iPhone is an older model, and the battery runs out more quickly. I keep this portable power bank with me fully charged to use when my iPhone needs re-charging. This battery uses Lithium Ion battery technology and carries a 4400 mAh capacity. I keep this portable power bank in my purse with the charging cable, so that it is convenient for use at any time. The battery pack is black with a silver strip on either end, quite attractive. The adapters fit almost every kind of Mobil device, and for the price this cannot be beat.

Recommended. prisrob 02-01-14
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Most Recent Customer Reviews
4.0 out of 5 stars Amazing Battery
Too big for phone and disturbed the weight balance. Now size of phone is like a brick. Battery time and life amazingly long.
Published 3 months ago by Sayyed Naveed Shahzad
4.0 out of 5 stars Good battery for 18 months
This battery is guaranteed for 18 months and apart from the flumsy back cover it lasted very well for this period of time. Read more
Published 4 months ago by Amazon Customer
5.0 out of 5 stars Five Stars
Love it, it's ace, battery lasts longer
Published 5 months ago by Amazon Customer
5.0 out of 5 stars Has extended my standby time to two days with low ...
Has extended my standby time to two days with low usage. Seriously big thick battery so had to improvise with my case.
Published 7 months ago by Ruth Sindall
5.0 out of 5 stars Good price, extra battery life is always a good ...
Does the job, Good price, extra battery life is always a good thing, Last twice as long as standard
Published 7 months ago by coleMAN
4.0 out of 5 stars Four Stars
Good battery for extended life
Published 8 months ago by John B
5.0 out of 5 stars Recommended
Used for travelling. Lasts around 4 - 5 days while using it for maps, taking photos and making phonecalls. Read more
Published 8 months ago by A. Hutchison
4.0 out of 5 stars ... exceptionally well when I go travelling as I can easily manage...
The battery is outstanding and served me exceptionally well when I go travelling as I can easily manage over 2 days of very heavy use. Read more
Published 9 months ago by Amazon Customer
5.0 out of 5 stars Very noticeable improvement
After a lot of use, I can say this made a lot of difference to my phone and charging habits. I run an S6 stripped out ported rom, so my phone did used to last about a day and a... Read more
Published 11 months ago by Daniel H.
4.0 out of 5 stars Four Stars
great battery, lonely needs charging once a week
Published 12 months ago by mr john goulding
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