... build in battery solar external charger Newest solar phone 5 charger Hot sales point: 1. Unique design: silica gel sheath with high quality ... sunlight.* USB input: voltage:5v,current:300mA It needs around 4-5 hours to charge internal battery fullly by USB cable. First ... indicators will be luminous, and I=25% electricity, I,II=50% electricity ,I,II,III=100% electricity . 2.After iphone is fully ...