We are manufacturer and mainly provide custom solar panels. 52*61mm 4V 75mA Mini Solar Cell - Model No.: SBE5261 - Type: polycrystalline - Max output power: 0.3W - Max power voltage: 4V - Max power current: 75mA - Open circuit voltage: 4.8V - Short circuit current: 80mA - Size: 52*61mm - Thickness: 2.5mm If you need buy solar panels or make custom solar panels, please contact me freely!