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Smartphones are great for playing and also for more professional stuff. Although as we all know the batteries are not so good as old standard mobile phones. So we need to recharge it several times in a week, at least 5 times if you use it a lot. In my case I have an iphone 4S and I recharge it all days. So I decided to look for portable rechargers.
I found out an interesting one. Just crank the handle for one minute and youll get 30 seconds of emergency power to use, and the integrated 2,000 mAH lithium-ion battery recharges fully from a 2 1/2-hour. It costs $55.28
Have you ever heard about this Eton Hand-Crank Emergency Cell Phone Charger ?
Would you buy it?
Is it expensive?