... transparency, low-iron, Specifications- 100% Brand New 10 Watt Solar Panel Power Charger 12 Volt Battery- High efficiency module > 16 % Mono-crystalline Silicon - Suitable ... / ° C - Temperature coefficient of Vm (%): -0.38 / ° C - Tolerance: + / -5% - Applications: Charge batteries, Water pumps, RV battery, Garden lights, Venting fans, etc ...