Get reliable, high-efficiency solar power with these saroda 250w monocrystalline solar panels. monocrystalline cells offer better efficiency and perform excellently even in low-light conditions. perfect for charging 18v-24v inverter battery setups!specifications:brand: saroda (model sp09-11) power output: 250w cell type: monocrystalline silicon optimum operating voltage (vmp): 30v optimum operating current (imp): 8.34a open-circuit voltage (voc): 36.8v dimensions: 165cm x 99cm x 4cm durability: ip65 waterproof rating condition: used but in excellent working condition.