Cell Lithium Battery Charge 3.7V 4.2V CN3791 MPPT Solar Panel Regulator Controller Solar Panel Charger Board Controller Module

Trickle charging of deeply discharged batteries Automatic recharge Charge status and charge end status indication Soft start Battery overvoltage protection Solar panel maximum point tracking Complete charge management for single-cell lithium batteries Input voltage: select the corresponding module according to the nominal voltage of the solar panel (6V/9V/12V) Output voltage: nominal 3.7V full charge voltage 4.2V lithium battery Interface: 2-pin JST connectors (or PH2.0) Max Charging current: 2A PWM switching frequency: 300KHz Charging voltage: 4.2V ± 1% Working environment temperature: -40 ° C to +85 ° C Size:45X20X9.5mm Material:plastic Colour:blue Package Contents: 1 * Module