... with Build-in 3000mAh Lithium Polymer battery and 0.5W solar panel, contains all-in-one designed Charger& Sync& protection cover ... 28HRS by sunlight, theoretically speaking. 4.1.5 When the solar charger is fully charged with four power indicators all lighted ... Polymer Battery Weight :87gInput : 5V700mA Efficiency: above 88%Output : 5V1A Solar Panel: 0.5WSafety Standard: RoHs, CE, FCC, MFi Item model ...