Backup power sources for your tablet or smartphone don’t have to be huge to get the job done. In fact, you want your battery backup to be portable. The Hyperjuice Plug is certainly that. It is not only compact but also has 2 USB ports for charging 2 devices at the same time. You can recharge it by plugging it into the wall. This 15,600mAh can be yours for just under $160.
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