CN3791 MPPT Solar Charger For Lithium Battery 3.7V To 4.2V High Efficiency Charge Controller For 12V Solar Panel Regulator JST PH2.0 Charge Up Module For Portable Power
✔️ Pack of 2 MPPT solar chargers for 3.7-4.2V Li-ion cells
This compact MPPT solar charger module is designed to pull maximum power from a solar panel and safely charge a single lithium-ion cell (3.7V nominal, 4.2V full). It’s a handy solution for portable power projects, off-grid setups, and battery packs where sunlight varies during the day.
✅ Input voltage selectable to match 6V or 12V panels
✅ Output: 3.7V nominal, 4.2V end voltage for one Li-ion cell (CV/CC)
✅ Charging current up to 2A; auto recharge and trickle charging
✅ MPPT tracking with CN3791 to maximize harvested panel power
✅ Interfaces: 2-pin PH2.0/JST; includes four PH2.0 connectors
💡 What is a handy MPPT charger used for in portable solar projects?
- It helps harvest maximum power from a panel to charge a single Li-ion cell
- It uses CN3791 MPPT control to adjust charging current as sun changes
- It supports up to 2 A charging, with CV/CC and auto recharge
- It includes JST PH2.0 connectors for easy wiring