Stanley USB4 4 in 1 Back Up Power Supply and Charger

• Cordless rechargeable
• AC power charging
• DC power charging
• Dual USB power charging

I bought this on an Amazon Lightning Deal so I got a slight discount on the price you probably see now. I also own the XtremeMac InCharge Portable rechargeable battery pack with built-in wall charger for iPhone, iPad & iPod IPU-ICP-11 which I got a long time ago at a much cheaper price. This Stanley device is much worse than the XtremeMac charger.

This charger doesn't last long. It won't even last long enough to fully charge my iPhone 4S. It also makes a high pitch sound while plugged in to the wall.

The benefits to it are that the electrical plugs fold into the back of the product for slimmer storage. It also includes a built in light which is not powerful at all. It is small in size which is nice too.

Overall, I would not recommend this product. I'd suggest spending a little more to get one with a longer battery life.

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I got this as a present for my sister as she always complains about the battery life of her iPhonehavent we all heard this gripe from a person or two? She carries it everywhere and I havent heard her complain about her battery since!

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Ocassionally we forget to charge our phone and keep this in the car. It is great to have when you realize you have a call to make and you are out of power.

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As of 12/28/12, the capacity of this backup battery is not listed in the description, so I wanted to be sure that it was available to potential buyers. On the outside of the carton, it lists a capacity of 1000 mAh not enough to fully charge most smartphones. This is a low capacity relative to the size and price of the device. The variety of charging options is a plus, and it's light, but unless you only intend to charge low capacity batteries, it's nowhere near enough to offset the negatives.