Renogy - Bifacial 4pcs 550 Watt Solar Panels 12/24 Volt Monocrystalline PV Power Charger On/Off-Grid - Black

The bifacial design of Renogy's solar panel helps to accelerate snow shedding and warm up the panel more quickly. Additionally, with the back side always available, our panel can continue to provide unstoppable solar power for your off-grid life.