Solar Panel, 18V 20W Portable Solar Panel Powered by Backup Battery for Car Boat Outdoor

Specification: Solar power: 18V 20W Solar panel working voltage: 18V Solar panel working current: 280mA Solar panel open circuit voltage: 21.6V. Solar panel open circuit current: 320mA Output interface: DC Solar cell efficiency: 22%. Product size: 325X125X5mm Net weight: 100g Packing list 1X20W solar panel 1 X cigarette lighter socket charger 1 X battery charging crocodile clip cable 1 X manual Instructions Instructions Simply plug this solar charger into your vehicle's 12-volt cigarette lighter and position the panel to receive as much sunlight as possible. Or, if you prefer, use the included alligator clips to connect it directly to the battery. (You can mount this solar panel to your windshield using the two suction cups, or use the straps on the back to secure it to the visor.)