... :210W/220W 2).Certification:ISO CE 3).Mono crystalline 4).color:blue, black Solar module 210WOpen circuit voltage (Voc):54VOptimum power voltage ... /2pcs/carton416pcs/40'GP,192pcs/20'GP,468pcs/40'HQ Solar module 220WOpen circuit voltage (Voc):54.3VOptimum power voltage (Vm ... ,192pcs/20'GP,468pcs/40'HQ 2012 100w monocrystalline Silicon solar panel