Solar panel: 10 to 300W Open-circuit voltage: 22V Short-circuit current: 3.1A Maximum voltage: 17.5V Maximum current: 2.9A Maximum system voltage: 1000V DC Material: monocrystalline/polycrystalline silicon High efficiency Rigorous and long service lifespan Module dimensions: 776 x 624 x 30mm Packing: individually wrapped or customized