For iphone 4s 1900mAh battery case. Fully enclosed protective battery case. Li-polymer battery case Rechargeable battery case battery case for iphone 4s Future: 1.1900mAh Battery Case.2.Fully enclosed protective battery case.3.Ultra slim dimension!4.Protective circuit for over charging,over using and short circuit.5.Smart power indication. Specifications: Battery case cell type: Li-polymer ...
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