TOPRAY แผงโซล่าเซลล์ 20 Watt 12V Poly-Crystaline Model 20 Watt 12v Poly-Crystalline - Maximum Power (Pmax) : 20W - Power Tolerance : 0 to +- 5% - Open Circuit Voltage(VOC): 21.5V - Short Circuit Current (Isc): 1.3A - Maximum Power Current : 1.12A - Weights(KG) : 1.32 KG - Dimensions : 383x