Model: ND-501
Material : Aluminum, Polycrystalline silicon solar panel
Size:200mm X 600mm
Battery watt: 2W
LED light source: 20Lm
Ultra bright LED
Voltage/ Capacity: Ni-MH 3.6V 900-a200 mah
Solar panel life: 20 years
Battery life: 3 years , can be replace then
Battery: Rechargeable battery
Working hours: 3-5 working days without any new power supply , that is 24-40 hours when it is cloudy or rainy,
Charge hours: one day time when it is summer. It depends on the specific sunshine.
Warranty : 1 year