mppt

CN3791 MPPT Solar Panel Regulator Module
Operating Voltage: 9V

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