... 10W solar panel 1.12V 24V optional 2. High efficiency 3.Uses high transparency, low-iron, Specifications- 100% Brand New 10 Watt Solar ... coefficient of Vm (%): -0.38 / ° C - Tolerance: + / -5% - Applications: Charge batteries, Water pumps, RV battery, Garden lights, Venting fans, etc ... limited warranty of 90% power output and 25 year limited warranty of 80% power output.Low iron tempered glass (LIT ...