3pcs 1A 4.2V 3.7V Li-ion Li-Po Lithium Battery Multifunction Charger MPPT Solar Controller Module fo

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 indicator ''OK'' LED is fully charged OR Constant voltage mode; - Operating Ambient Temperature:-40a to + 85a - 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: 3 x 1A 4.2V 3.7V Li-ion Li-Po Lithium Battery Multifunction Charger Board