The Liquid S2 is powered by a quad-core 2.2GHz processor, backed by 2GB RAM. The device comes with a 3,300mAh Li-polymer battery, runs on Android 4.2 (Jelly Bean) operating system and features
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Portable Emergency AA Battery Charger Extender suitable for the Acer Liquid S2 - with Gomadic Brand TipExchange Technology - Walmart.com