Kensington PowerGuard iPhone 4/4s Battery Case with Find-My-Phone Key Fob and BungeeAir App (K39575US). Free Returns.

Up to 81% Off

Product Details


Kensington PowerGuard iPhone 4/4s Battery Case with Find-My-Phone Key Fob and BungeeAir App (K39575US)

  • Product number: K39575US
  • External battery case for iPhone 4/4s (not included)
  • Tethers to locator key fob with free download of BungeeAir app
  • Locate keys with iPhone, or iPhone with keys
  • Simplified alarm settings make any barnyard animal sound
  • 2.4GHz wireless technology
  • Ruggedized scratch-resistant case
  • External battery adds up to four hours of talk time
  • Built-in card slot holds iPhone in landscape or portrait position (card not included)
  • Access to ports and functions
  • LED power indicator
  • Dimensions: 6”x4”x2.5”
  • Weight: 3.2oz.


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. Goods sold by Groupon Goods. How is the strike-through price determined?

Customer Reviews

Product Picture for Customer Review

Kensington PowerGuard iPhone 4/4s Battery Case with Find-My-Phone Key Fob and BungeeAir App (K39575US). Free Returns.

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Luke L. Verified Purchaser
May 25th, 2014
Does not charge after the battery is dead or low. stop using it after the first week.
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Courtney M. Verified Purchaser
May 20th, 2014
The case makes my phone crash all the time and run out of battery really quickly. It also super overheats it, so when I use it, the phone will turn off to avoid overheating.
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Amanda M. Verified Purchaser
May 20th, 2014
It was very good when it actually worked but after about 3 weeks of using it it would not charge my phone.
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Michael S. Verified Purchaser
May 20th, 2014
It locked my phone up after charging it. It would restart my phone at random times. My screen acted funny. All this while hooked up to the case. I wanted to return it but I kept trying to make it work till it was too late.
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Barbara T. Verified Purchaser
May 19th, 2014
Instead of it boosting the battery power it actually cause the battery to deplete faster finally stop using it because of this. The case itself was welled made and of good quality. Wished it didn't have this problem because it could have been a very good purchase. Unfortunately I threw the shipping package away otherwise I would return for a refund. Don't waste your money on this product.
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Danny I. Verified Purchaser
May 19th, 2014
Eats up battery life. I have to keep pluged in or charge it twice a day.
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Mark B. Verified Purchaser
May 17th, 2014
The product worked totally opposite of what it was meant to do, so that is negative in my book.
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Aimee F. Verified Purchaser
May 16th, 2014
It didn't work. It actually drained my battery faster. Don't waste your money.
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Lucas B. Verified Purchaser
May 14th, 2014
My Iphone 4s says the product is not supported and thus doesn't work as a finder. The case does work as a charger but that's hardly as important of a feature. Don't buy..
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Arthur F. Verified Purchaser
May 13th, 2014
Do not buy this product very cheaply made and broke within a week..waste of money.
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