... circuit, over charge/discharge;Attached Connectors: 7 connectors for Samsung, Motorola, Nokia, Sony Ericsson, HTC, iPhone and, etc; ... family and friends conveniently;6) With internal protection functions for short circuit, overcharge and over temperature, safe and energy ... circuit, over charge/discharge;Attached Connectors:7 connectors for Samsung, Motorola, Nokia, Sony Ericsson, HTC, iPhone and, etc; ...