Fashion Outlet 12V Solar Panel Battery Charger for Car/RV Car Portable Battery Charger 8W Suitable for using at home, traveling, on camping in nature, etc. Ideal for automobile, trucks, The solar battery can make your battery never stranded again! Trickle charge your battery with solar power. Make your car battery maintain the full power of the state at all times and keep your car battery at the best performance to make your headlights brighter. Operates under cloudy conditions. No maintenance required. UV, rust and shock resistant .