... multifunction Travel necessities OEM, Dropship 2200mAh Multi-function Portable Power Bank for Samsung I9500 Galaxy S4, Blackberry Z10/ ... 500 circles12. Intellectual protection circuit: protection for overcharge, overdischarge, overload and short circuit.Compatible with: l Popular ... and trademarks used are for reference only Usage: l Discharging: Connect this item with discharging cable, use different ...