Solar Panel: 5v/18w
Installation Place: Home, outside or commercial area, field operation, camping,etc.
Battery: 3.2v/42Wh LiFePO4 battery
DC output:Three circuits DC output 3.2V
USB output:One circuit output 5V/2A
Lighting Time: One external lamp works 20hrs; Two external lamps work 10hrs;Three external lamps work 7 hrs; For the built-in lamp, higher level works 16 hrs and lower level works 32hrs.
Warranty: 5 years