Grape Solar GS-S-190-Fab3 190-Watt Monocrystalline Solar Panel Unique frame design with strong mechanical strength for greater than 50 lbs/ft2 wind load and snow load withstanding and easy installation. No. of Holes in Frame 4 draining holes, 4 installation holes, 2 grounding holes, 16 air outlet holes Cable Length 1000mm (39.4) for positive (+) and negative (-) Max Peak Power Pmax 190 W (0% / +3%) Open Circuit Voltage Voc 45.4 V