... ,acceptable,durable 3.Certification:CE/FCC/ROHS Mobile phone power bank 8400mAH Suitable for iPad&iPhone,Blackberry,HTC,Samsung, ... 1) High capacity battery, High efficiency output. 2) Intelligent MCU controller, monitoring various operating status. 3) Over current and short circuit ... cycles. 5) All function operate by one button. 6) Auto power off, make better use of battery energy. 7) Suitable to ...