2025 Cheapest Solar Poly Panel PV 215W 240W 250W 270 Watt with 48 Cells US$0.13-0.19 / Watt Wholesale Factory Price 200 Watt 300 Watt 400 Watt Solar Panel 48 Cells 60 Cells 12V 24V 48V Poly/Mono US$0.14-0.21 / Watt...