CN3791 MPPT Solar Charger Module 9V HW-032B

From the shop's description

CN3791 MPPT Solar Charger Module 9V HW-032B The CN-3791 MPPT Solar Charger Module 9V HW-032B is a high-efficiency solar charging module designed for charging a single 3.7V lithium-ion or lithium-polymer battery directly from a 9V solar panel. Based on the CN3791 switching charger IC, the module utilizes Maximum Power Point Tracking (MPPT) technology to maximize the energy harvested from photovoltaic panels, improving charging efficiency under varying sunlight conditions. Features: Based on the CN3791 MPPT solar charger IC. Designed for 9V solar panel input. Charges a single 3.7V Li-ion or LiPo battery. Maximum Power Point Tracking (MPPT) for improved solar energy utilization. Constant Current (CC) and Constant Voltage (CV) charging. Charging current up to 2A (depending on solar panel capability and thermal conditions). Specifications: Parameter Value Charging IC CN3791. Module Model HW-032B. Charging Method MPPT, CC/CV. Solar Panel Input 9VDC Nominal. Battery Type 1-Cell Li-ion/LiPo. Battery Voltage 3.7V Nominal, 4.2V Full Charge. Maximum Charge Current Up to2A. Switching Frequency 300kHz. Charging Indicators CH (Red), OK (Blue). Auto Recharge Supported. Soft Start Supported. Operating Temperature -40°C to +85°C. Solar Connector PH2.0-2P. Battery Connector PH2.0-2P. PCB Dimensions 44.8×20mm. Configuration: Applications: Solar-powered IoT devices. Portable solar charging systems. 18650 battery charging. LiPo battery charging. Remote monitoring stations. Environmental sensor nodes. DIY solar projects. Off-grid electronic systems. Educational renewable energy projects. Battery-powered embedded systems. Package Include: 1x CN3791 MPPT Solar Charger Module 9V HW-032B. 2x Jst Connector