... Conversion Rate: 17% Built-in battery:Polymer Li-ion,3.7V,1500mAH ITEMsolar mobile charger solar sun charger mobile Solar charger for ... Conversion Rate: 17%Built-in battery:Polymer Li-ion,3.7V,1500mAHOutput voltage:5.5V,400-1000mAInput:5.5V,500mAFull Recharge ...