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  • Anker® 7200mAh Extended Battery Combo for Samsung Galaxy S3, I9300, I9305 LTE, AT&T I747, Verizon I535, T-Mobile T999, Sprint L710, U.S. Cellular R530 - TPU back cover included [18-Month Warranty]
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Anker® 7200mAh Extended Battery Combo for Samsung Galaxy S3, I9300, I9305 LTE, AT&T I747, Verizon I535, T-Mobile T999, Sprint L710, U.S. Cellular R530 - TPU back cover included [18-Month Warranty]

by Anker
| 45 answered questions

Price: $63.99
Sale: $31.99 & FREE Shipping on orders over $35. Details
You Save: $32.00 (50%)
In Stock.
Sold by AnkerDirect and Fulfilled by Amazon. Gift-wrap available.
  • Extended Battery category-high capacity of 7200mAh delivers 3.4 times capacity of the original Galaxy S3 battery life. Built-in IC chip prevents overcharging. Not NFC Capable.
  • Unified battery design allows for 100% energy efficiency; completely eliminates voltage conversion waste (20-35%) of non-integrated options.
  • Flexible TPU (thermoplastic polyurethanes) back cover brings together both matte and gloss finish that's great for gripping and guards against bumps and scratches.
  • Thickness (phone included): 0.7in; Total weight (phone included): 9.8oz.
  • Package contents: Anker® High-Capacity Li-ion Battery, TPU back cover, user manual. 18-month warranty and free lifetime technical support.

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Frequently Bought Together

Anker® 7200mAh Extended Battery Combo for Samsung Galaxy S3, I9300, I9305 LTE, AT&T I747, Verizon I535, T-Mobile T999, Sprint L710, U.S. Cellular R530 - TPU back cover included [18-Month Warranty] + Hyperion Wall Charger with USB for Samsung Galaxy S3 / SIII (Fits OEM, Standard Size Replacment Battery, Extended Battery and 7000mAH Battery)
Price for both: $35.18

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Technical Details

  • Battery Type: Lithium Ion
  See more technical details

Product Details

  • Shipping Weight: 9.9 ounces (View shipping rates and policies)
  • ASIN: B00GNSJU90
  • Item model number: AK-70SMI9300-B1B72A
  • Batteries 1 Lithium ion batteries required. (included)
  • Average Customer Review: 4.4 out of 5 stars  See all reviews (701 customer reviews)
  • Amazon Best Sellers Rank: #1,749 in Cell Phones & Accessories (See Top 100 in Cell Phones & Accessories)
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Product Description

Use your phone like you should - without worrying about running out of battery.

3.4 times of your battery life.
Packed with 7200mAh of pure power, use your phone a full three times longer than you previously could. That's up to 70 hours of talk time or 25 hours of internet time. Stop worrying about your battery life and enjoy your phone even more.

Keep your S3 newer, longer.
We engineered the one of the world's highest capacity battery for Galaxy S3 while providing a full edge wrap case to protect your valuable phone. We achieved these features while maintaining the same phone thickness as other makers' lower capacity batteries.

Use 100% of the stored power.
The unified battery design completely eliminates voltage conversion waste (20-35%) giving your phone 100% of the stored energy to use. Also, lacking the complicating external wires, power buttons and power meter LEDs, of external batteries and many battery cases, enjoy using your phone without the added complexity.

Upgrade via replacement.
We wouldn't give you anything less than the best. Grade A cells chosen from among the top 10%. Rigorous inspection tests to ensure reliability. A built-in IC chip to prevent against short-circuiting. What does this all mean? In terms of quality, you won't find a better replacement.

For optimal use.
To correctly install, first, slide the battery into the phone's battery slot, and then install the case.

Note.
The battery may affect your device's signal reception in weak signal areas.

Customer Reviews

I've had this battery for almost a month now, and the battery fully charged lasts me about 3 days.
Laura
This battery just lasts and lasts and lasts . . . . . . Seriously though, I can actually go a day or more without having to worry about charging my phone.
Mike
The case feel awesome un your banda.it add bulk to your phone but the extra weight also feel pretty good.
Flavio

Most Helpful Customer Reviews

82 of 87 people found the following review helpful By Sleepy on December 22, 2013
Something to add to the old saying, you can never be too rich or too thin, you can never have too much battery life. I often run a 4400mah extended battery, and when I travel I carry around a 16000 Mah backup battery in addition to a car charger and wall charger. This battery is going to change what I pack. I ran the phone with gps running screen on full brightness, Wifi, Bluetooth, and CPU load, and it is still going 12 hours later, I'll upload some pictures both of the battery and how long it lasts. I regularly get 35-45 hours on the 4400 battery so I would anticipate topping 70 hours with this battery but I will update with a real world runtime once I get a chance to fully charge it again. From 15% it took over 8 hours on the stock 1A charger, which makes sense when you consider that the phone will use some of what is being put in. The size with the provided case is comparable to an Otterbox case (see pictures) and slimmer than Seidio Active extended case for the 3500-4400 MAH batteries. The case has a slick back which allows it to slide in and out of your pocket easily and the sides are textured so it does not feel like it will slide out of your hand. It does slide easily, however, when placed on it's back on a desk or in your lap, so keep that in mind when you are getting out of the car or setting it on a counter. The case itself is very nice and seems to be of a much nicer and thicker material than the much thinner TPU case that can be purchased for the 3500-4400MAH batteries. In fact it seems thick walled enough that it would provide good protection from those times you say "whoops" although I won't be testing that. One last thing to consider, This battery comes from a company with a proven name and customer service to back it up.Read more ›
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49 of 54 people found the following review helpful By Reviewer431 on December 23, 2013
This is an excellent battery that makes your phone last WAY longer than the stock battery!

The outside of the box:
-Top Front: High Capacity Extended Battery Case -Pack extra capacity inside your phone. Stay powered, stay connected
-Front and Back Side: High Capacity Extended Battery Case and Anker High Capacity Extended Battery Case
-Back: This describes the company and it says what they do.
-Left Side: COMPATIBLE MODELS: Samsung Galaxy SIII I9300 ANKER 7200mAh

Even though the box says it is compatible with the Samsung Galaxy SIII I9300, it is compatible with all of the Samsung Galaxy S3's; I have the SCH-I535 (Verizon). When I took the box out of the packaging that it was shipped in, it was wrapped in a plastic wrap, most likely to protect it from water damage (when it rains and the product is in the process of being shipped to the customer).

Inside the box when you open it up, you first see a plastic cover over a plastic shell holding the battery that is inside the case (which is inside a plastic wrap). The back of the case has a plastic wrap (the glossy part of the case). Under the plastic shell that has the plastic lid/cover, the box includes the Instruction Manual, a "We'd love to hear from you!" card, and a Returns & Exchanges card.

Installing the case and battery is as easy as it gets. You first take off your current case (if you have one on). Then, you take off the back cover of the phone and then take out the battery. I recommend turning the phone off before doing this so you do not cause any damage to your phone. You slide the battery in with the bottom part going in first from the top of the phone and then you push the whole thing on so that the whole battery is on your phone.
Read more ›
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47 of 59 people found the following review helpful By Zachary S. *Tech Reviewer* TOP 500 REVIEWER on December 21, 2013
Length: 3:02 Mins
Box contents:
-7200mAh battery for the Galaxy S3
-Heavy duty TPU back cover that provides all around protection
-Instruction manual

The Anker 7200mAh Extended Battery Case in Black for Samsung Galaxy S3 is the largest battery extender case out there for the Galaxy S3. This does add some bulk but what do you expect in a battery that gives 3 times more battery than the OEM battery. The battery back plate is glossy. It is also flat so when you are using it on a table, it does not wobble around and get annoying. The buttons are all covered and protected. The TPU back cover goes around the GS3 and protects it very well. The battery case is a fingerprint magnet! I would clean it so your device looks better when you are using it.
I really like this battery. It will be great for when I go on vacation or go to the city and do not have to worry about my battery depleting fast at all. I remember the time when I was at 10% at my device died. Now when I am at 10% I know my device will last for around 1-2 hours of use. The device is fatter, almost 3 times thicker, but gets you 3 times more battery on a charge. It looks great on my GS3 in blue and will look better on the black GS3.

I highly recommend this extended battery case by Anker.

Watch my video review.
I was supplied a sample for test and evaluation, and I promised that my review is fair and honest.
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8 of 8 people found the following review helpful By Larry Carter on June 5, 2014
Verified Purchase
Using my Galaxy s3 for work was getting somewhat frustrating. I kept a charger in the car and carried a battery charger in my pocket, then I would charge my battery at night. It seemed I spent more time plugged in than going mobile. NOT ANY MORE!!! I have had my new Anker for a few weeks and I must admit, I have forgot to charge it a night or two with NO consequences the next day, she ran like a charm.

At first I was concerned with how big my phone might end up with this battery, but it's not much different from the size of the case I had on it before. I think the case it came with is exceptional. I am really surprised at how this product has exceeded my expectations and went beyond the description by Anker. Delivery was right on time and it was a simple matter of putting the battery in when it arrived. Oh, the case fits like a charm.

Must tell you, we ordered one for my wife at the same time and I think she's happier with her new battery than I am.

After cutting the cord, I (WE) will NEVER go back. Thank You for a great product
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