03.10.2013 17:49 Uhr, Quelle: iPodlounge

First Looks: Eton Boost 4200 Backup Battery Pack

Eton is one of many companies producing backup battery packs for iPhones and iPads, including its Boost 4200 ($55). As the name suggests, there's a 4200mAh battery inside the slim, black metal housing. Sold with a micro-USB cable, it has two ports: one micro-USB for charging, and one 2.1-Amp full-sized output. To check the remaining power level, you shake the battery and LED lights will show you what's left inside.

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