... ) High Conversion Rate:+17% Built-in battery:Polymer Li-ion,3.7V,2000ma ITEMsolar sun charger mobile Solar charger for cell ... )High Conversion Rate: +17%Built-in battery:Polymer Li-ion,3.7V,2000mAHOutput voltage:5.5V/8.4V/12VOutput current: 1100mA ... (SOLAR):about 7-9 hoursFull Recharge Time(AC/COM):about 3.5 hoursAC adapter:5V,1000mAInput interface: Mini USB,5PINOutput interface ...