It is always a bummer whenever your cell phone runs out of juice while you’re busy catching up with a friend over some juicy gossip. Good thing there are devices like the One Battery Mobile Charger Pen that features a slot for you to insert an AA battery inside, charging up the cell phone within 100 minutes, which should offer more than enough juice during an emergency. There are 5 tips in total that accompanies this $19 device to cater for different cell phone manufacturers. I’d say go solar, or at least purchase a rechargeable battery to go along with this.
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