Item Tag: 724164942920

【Effective and safe charging】The solar panel can reach 5V 1A current and 4W power, the energy conversion efficiency is up to 21%, made of monocrystalline silicon wafers, which can effectively improve the charging efficiency.

【Effective and safe charging】The solar panel can reach 5V 1A current and 4W power, the energy conversion efficiency is up to 21%, made of monocrystalline silicon wafers, which can effectively improve the charging efficiency.