9V 1.8W Solar Panel can be used as a power source to charge one or two 18650 Li-ion rechargeable battery with a proper charging circuit. Two panels connect in series can be used to charge a 12V car battery directly.
Out power: 2W 9V
Output voltage: 11V open circuit
Output Current: 200ma
Output power: 1.8W
Dimensions: 135mm x 125mm