ALLPOWERS 2.5W 5V/500mAh Mini Encapsulated Solar Cell Epoxy Solar Panel DIY Battery Charger Kit for Battery Power 130x150mm (Solar Panel Only) High-efficiency monocrystalline solar panel, providing enough power for DIY Solar panel kit with battery, power small motors or other loads; perfect devices for science project Portable, compact & stylish size with solid attractive casing UV treated surface and durable weatherproof PCB board Package contents: 5V 500mAh 2.5W solar panels(one solar panel only)