Mini Solar LiPo Charger Board CN3065/CN3791 – Lithium Battery Charging Module with Connector Wire
Price range: ₨ 350.00 through ₨ 600.00
Description
The Mini Solar LiPo Charger Board CN3065/CN3791 is a compact solar battery charging module designed for charging compatible single-cell 3.7V lithium-ion (Li-ion) and lithium-polymer (LiPo) batteries using solar energy. Available in multiple input-voltage variants, this charging board is suitable for DIY solar projects, portable electronics, IoT devices, wireless sensors, and outdoor battery-powered applications.
The module is available with the CN3065 charging IC for low-power solar charging and the CN3791 IC with MPPT functionality for compatible solar panels. These charging controllers help manage the charging process and regulate the battery charging voltage to approximately 4.2V for supported single-cell lithium batteries.
With its compact PCB design and connector wire interface, this mini solar charger board is convenient to integrate into small electronic projects. Choose the appropriate version according to your solar panel’s voltage and your battery’s charging requirements.
Available Variants
| Variant | Charging IC | Solar Input Selection | Battery Charging Voltage |
|---|---|---|---|
| 4.4V CN3065 | CN3065 | 4.4–6V input range | 4.2V |
| 6V CN3791 | CN3791 | Compatible 6V solar panel | 4.2V |
| 9V CN3791 | CN3791 | Compatible 9V solar panel | 4.2V |
| 12V CN3791 | CN3791 | Compatible 12V solar panel | 4.2V |
The input values identify the intended panel or input-voltage variant; verify the exact operating range on the specific board before connecting a solar panel. CN3065 versions commonly support up to 500mA charging, while CN3791 versions may support charging currents up to 2A, depending on the board configuration.
Key Features
- Solar Battery Charging: Designed to charge compatible rechargeable lithium batteries using solar energy.
- Two Charging Controller Options: Choose CN3065 for a compact, low-power charger or CN3791 for MPPT-based solar charging.
- Multiple Input Variants: Available in 4.4V CN3065, 6V CN3791, 9V CN3791, and 12V CN3791 versions.
- Single-Cell Lithium Battery Support: Designed for compatible 3.7V nominal Li-ion and LiPo batteries with a typical 4.2V full-charge voltage.
- MPPT Functionality: CN3791 versions use maximum power point tracking to help utilize available solar panel power.
- Compact PCB Design: Suitable for space-constrained electronics and portable devices.
- Connector Wire Interface: Helps simplify wiring when compatible connectors are supplied.
- DIY-Friendly Module: Useful for solar-powered sensors, embedded electronics, and outdoor charging projects.
Technical Specifications
| Specification | Details |
|---|---|
| Product Name | Mini Solar LiPo Charger Board |
| Model / IC Options | CN3065 / CN3791 |
| Product Type | Solar Lithium Battery Charging Module |
| Input Voltage Variants | 4.4V CN3065, 6V CN3791, 9V CN3791, 12V CN3791 |
| Battery Chemistry | Compatible single-cell Li-ion / LiPo |
| Nominal Battery Voltage | 3.7V |
| Full-Charge Voltage | Typically 4.2V |
| Battery Configuration | 1S |
| CN3065 Charging Current | Typically up to 500mA |
| CN3791 Charging Current | Up to 2A on supported board configurations |
| Charging Method | Linear charging with CN3065; MPPT switching charger with CN3791 |
| Charging Termination | Automatic charging control, subject to controller design |
| Connection Type | Board connectors / connector wires, depending on version |
| Primary Input Source | Compatible solar panel |
| Main Application | Single-cell lithium battery solar charging |
Note: Maximum charging current, connector type, protection functions, and board dimensions vary by version. Confirm the specifications of the exact variant before ordering.
Applications
This mini solar lithium battery charger module can be used in:
- DIY solar battery charging systems
- Solar-powered IoT devices
- Wireless sensor nodes
- Outdoor environmental monitoring systems
- Arduino and ESP32 solar projects
- Portable electronic devices
- Rechargeable 18650 battery projects
- Low-power data loggers
- Remote monitoring equipment
- Solar-powered LED electronics
- Educational electronics and prototyping
- Small off-grid battery-powered systems
