emergency solar charger AD-VTB-11A Input voltage:5 V, Outpur voltage:5-5. ... aluminium alloy. Color:red,blue,silve emergency solar charger AD-VTB-11AImportant: Read Before Using Product How to Use:Unscrew ... the cell phones battery and re-inserting it.Model NumberAD-VTB-11Input voltage5 vInput current 800 mA (MAX)Output voltage5 ~ ... USB port .5.safety precaution . emergency solar charger AD-VTB-11A