DFRobot 3.7V 500mA Solar LiPo Battery Charger

The 3.7V 500mA Solar LiPo Battery Charger is designed for use with a single lithium battery (3.7V). It includes intelligent charging with reverse polarity protection. When used with a "solar" or lithium battery, you can quickly build a solar powered charging system. LiPo battery charger for intelligent charging; Input voltage: 4.4~6V; Charging current: 500mA (maximum); Charging cutoff voltage: 4.2V