20pcs 1A 4.2V 3.7V Li-ion Li-Po Lithium Battery Multifunction Charger MPPT Solar Controller Module for Solar Panel Mobil

Descriptions 3 7V 4 2V Li ion Li Po Lithium Battery Charger Module with automatic current limiting function Power supply voltage DC 4 4 6V DC 5V Charging output voltage DC 4 2V The maximum charge current output current is 1A but you can change the current by changing the value of the R1 resistor Automatic charge current adjustment based on the output capability of input power supply Suitable for Solar Powered System Precharge Conditioning for Reviving Deeply Discharged Cells and Minimizing Heat Dissipation During Initial Stage of Charge Constant Current Constant Voltage Operation with Thermal Regulation to Maximize Charge Rate Without Risk of Overheating Automatic Low Power Sleep Mode When Input Supply Voltage is Removed C 10 Charge Termination Automatic Recharge Battery Overvoltage Protection Led indicator CR LED is charge status indicatorOK LED is fully charged OR Constant voltage mode Operating Ambient Temperature 40℃ to 85℃ Size 18 x 10 16 x 2 7mm Features The on chip adaptive cell can adjust charging current automatically based on the output capability of input power supply so SD05CRMA is ideally suited for the solar powered systems or the applications that need to charge lithium ion battery or lithium polymer battery with an input power supply whose output capability is limited Package Incldued 20 x 1A 4 2V 3 7V Li ion Li Po Lithium Battery Multifu