CN3791 MPPT Solar Panel Lithium Battery Charging Module

Model: YZQ-S040
Features:
1. Input voltage: 6V /12V
2. Output voltage: 3.7V /4.2V
3. Interface: 2pin PH2.0/JST
4. Solar panel high power point tracking function
5. Complete charging management for single lithium battery
6. Charging current up to 2A
7. PWM switching frequency: 300KHz
8. Constant voltage charging voltage: 4.2V±1%
9. Working environment temperature: -40℃ to +85℃
10. Size: 45X20X9.5mm