-- maximum power (pm) :5w -- operating voltage (vmp):18v -- operating current (imp) :277ma -- open circuit voltage (voc) :21.6v -- short circuit current (isc) : 310ma -- dimension:290x180x18mm -- type:monocrystalline silicon solar cell -- frame: silver anodized aluminum -- item no:ks-m5w -- weight:0.8kg/pcs -- solar module for 12v charging -- standard test conditions(stc): Am1.5, irradiance:1000w/square meters, module temperature:25 degrees centigrade. Standard.