ITEM NAME:125Mm 2.8W a Grade Monocrystalline Silicon Solar Cells 5x5 for Diy Solar Pa S4V8 125Mm 2.8W a Grade Monocrystalline Silicon Solar Cells 5x5 for Diy Solar Pa S4V8 Features:Portable Wattage:2.8W/PCS Application:Home/Garden Type:Solar Cell/DIY Voltage:0.5 V colour:Photo Color Material:Single crystal Size:125mm Package Contents: 20* battery