Alpha Digital SFZD-40 40W 18V Foldable Portable Solar Charging Panel – Black
Great for out. • HIGH CONVERSION EFFICIENCY – Constructed of high-efficiency solar arrays, convert up to 21-23% of solar power into free energy in enough sunlight. • DURABLE & WATERPROOF – Made with durable oxford cloth and waterproof zipper, effective waterproof IPX4, corrosion-resistant, high-temperature resistant.