PowerSkin Battery Case for iPhone 4/4s or Galaxy SIII. Free Returns.

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Product Details


PowerSkin Battery Case

A few ampere-hours can go a long way. This case's compact 1,500 mAh battery, for instance, lengthens the battery life of an iPhone 4/4s or a Galaxy SIII by up to 70%. While sparing smartphone owners from having to find a midday power source, the case also protects phones from drops, scratches, and dust with its sturdy one-piece silicone skin.

  • Designed for iPhone 4/4s or Galaxy SIII
  • Improves battery life by up to 70%
  • 1,500 mAh capacity
  • Battery recharges while synching data with a computer
  • LED battery level indicator
  • One-piece silicone case
  • Protects against shock, dust, and scratches
  • iPhone dimensions: 5"x2.5"x0.5"
    • Samsung SIII dimensions: 5.5"x3"x0.5"


How to get your goods: by purchasing this Groupon and providing your name and shipping address, your order is complete!

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The Fine Print


Limit 3 per person, may buy 2 more as gifts. Free returns. Does not ship to AK/HI/Canada/Puerto Rico. *Most orders are delivered within 7 business days from the purchase date. Does not ship to PO boxes. See return policy. Must pay applicable tax and provide name and shipping address at checkout, which will be shared to facilitate shipping. 90 day warranty from Powerskin. Goods sold by Groupon Goods. How is the strike-through price determined?

Customer Reviews

Product Picture for Customer Review

PowerSkin Battery Case for iPhone 4/4s or Galaxy SIII. Free Returns.

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Beverly S. Verified Purchaser
Mar 24th, 2014
The Iphone cases have been great, but the galaxy SIII has already stopped working.
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margie L. Verified Purchaser
Mar 21st, 2014
Has more than doubled the battery life of my iPhone 4s. So happy!
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Patricia G. Verified Purchaser
Mar 20th, 2014
I have had the Battery case for only 2 months and the product has already broken. The charging cable is defected and no longer gives the phone charge. This is not a durable product.
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Nedmir B. Verified Purchaser
Mar 20th, 2014
The power case will not charge your phone from 0% to 100% more like if your phone is around 40% and you turn your case on than it will charge to a 100% . Another issue is that the charging port is somewhat not good. It will give you issues .
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sioux o. Verified Purchaser
Mar 19th, 2014
either I got a bad one or the charge is awful. Does not hold a charge and it takes days to recharge. Trying to get a replacement.
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James M. Verified Purchaser
Mar 19th, 2014
Great if you don't want to have to out your phone down to charge it or charging on the go but the case is quite bulky and would not recommend for solely a case
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Jason G. Verified Purchaser
Mar 18th, 2014
poor power retention. barely lasts a hour. less than a full charge.
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Stephen E. Verified Purchaser
Mar 18th, 2014
I can now use my phone all day long without charging it! As a Realtor, I'm on my phone all the time, and previously had to "Plug In" everytime I got in my car, and when I returned to the office. Now my phone charge lasts all day and into the evening! Very satisfied!
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Michelle C. Verified Purchaser
Mar 18th, 2014
The charging port fell out of the case after only a few weeks :(. It was nice while it lasted though.
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Caprock P. Verified Purchaser
Mar 18th, 2014
This is my second charger that i have purchased, the first only lasted a month before the pins did not make contact with the phone. this one seems to be built much better.
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By purchasing this deal you'll unlock points which can be spent on discounts and rewards. Every 5,000 points can be redeemed for $5 Off your next purchase.