Specifications: 1) Max. power: 5W 2) Max. power voltage: 18V 3) Max. power current: 0.28A 4) Open circuit voltage: 21.6V 5) Short circuit current: 0.30A 6) Number of cells: 367) Temperature coefficient of ISC: +0.08mA/癈 8) Temperature coefficient of VOC: -0.37V/癈 9) Temperature coefficient of IM: +0.08mA/癈 10) Temperature coefficient of VM: -0.37V/癈 11) Weight per piece: 0.8kg 12) Conversion efficiency: 14.5% 13) Output tolerance: ?0% 14) Dimensions of module: 291 x 205 x 18mmPacking:25pcs/carton producing area:China payment:T/T in advance supplying capacity:30,000pcs/month