Sunwize SolCharger models are available in rated output power from 3 watt to 24 watt, operate DC loads with small to moderate output. Designed to perform in any environment and for any remote power application. SunWize SC3-12, 3 watt PV module, 18.7 Vmp. Dimensions 9.4"x5.6". More info... SunWize_SolCharger3.pdf