... full sun. • Suitable for all DC 12V applicants2.More information: Specification of solar panel: Output power(peak):50W Working voltage:17.6V ... test condition:AM1.5,1000W/m2,25°CSolar controller: 12V,5ARecharging battery: 12V,40AhIncluding the installation wiring kits3.ApplicationUse for portable TV ... ,car battery booster,outdooractivities,etc Solar Power Kit SPS2-50W-12V