... starter Support electricity 12V car for emergency start portable for various mobile phone, PSP, MP3 Product Description New Product -- Car Emergency Multi-function ... self-discharge, cycles can reach 1000times.3: Support 12V vehicle start, and charge for various mobile phone. PSP, MP3/MP4, ... to charge / power supply 2. Press the switch to start charging when your device connected with MST-SOS01; If you ...