... OEM, Dropship 2200mAh Multi-function Portable Power Bank for Samsung I9500 Galaxy S4, Blackberry Z10/Q10, SmartPhone Power Bank Product ... life: above 500 circles12. Intellectual protection circuit: protection for overcharge, overdischarge, overload and short circuit.Compatible with: ... 2200mAh Multi-function Portable Power Bank for Samsung I9500 Galaxy S4, Blackberry Z10/Q10, SmartPhone Power Bank