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