tictocstore 1pcs CN3791 MPPT Solar Charger Module – 3.7V/4.2V Lithium Battery Charging, 12V Solar Panel Compatible
tictocstore 1pcs CN3791 MPPT Solar Charger Module – 3.7V/4.2V Lithium Battery Charging, 12V Solar Panel Compatible
MPPT Technology - Features Maximum Power Point Tracking to capture maximum electricity from solar panels/photovoltaic devices, even with changing light intensity, maximizing solar energy utilization.
Lithium Battery Charging - Designed for single polymer lithium-ion batteries (nominal 3.7V, full charge 4.2V), providing complete charge management including trickle, constant current, and constant voltage charging.
Wide Compatibility - Works with 6V or 12V solar panels (select module by panel nominal voltage); output charges 3.7V lithium batteries, with load connected in parallel to the battery.
High Performance Specs - Supports up to 2A charging current, 300KHz PWM switching frequency, 4.2V±1% constant voltage charging; operates in -40°C to +85°C.
User-Friendly Design - Equipped with 2-pin JST/PH2.0 connectors, automatic recharging, charging status indicators, soft start, and battery overvoltage protection.