4S 16.8V 1A Type-C Li-ion Battery Charging Module

4S 16.8V 1A Type-C Lithium-Ion Charger Module for 18650 Battery Pack

The 4S 16.8V 1A Type-C Li-ion Battery Charging Module is a compact and efficient charging solution designed for 4-cell lithium-ion battery packs. It is suitable for charging 18650 battery configurations and other compatible 4S lithium battery assemblies. With modern Type-C input support, the module offers convenient power input while maintaining stable charging performance.

This charging module operates using a constant voltage charging method and supports automatic recharge functionality. The built-in protection circuits help protect battery packs from overvoltage conditions, low voltage situations, and short circuits. These safety features make the module suitable for battery-powered projects, portable devices, and DIY electronics applications.

For electronics enthusiasts, students, makers, and developers in Bangladesh, this module is useful for creating rechargeable battery systems and portable power projects. Biggan Project and electronics users in BD often utilize similar battery charging modules for educational projects, robotics, and custom power management applications.

The compact dimensions allow easy installation inside battery enclosures and portable devices. The LED status indicators provide visual feedback during charging and full-charge conditions, making battery monitoring simple and convenient.

Product Specifications

Features

• Supports 4S lithium-ion battery packs.
• Modern Type-C power input.
• Automatic recharge function.
• Battery overvoltage protection.
• Low voltage protection.
• Short circuit protection.
• Compact PCB design.
• Wide operating temperature range.
• LED charging and status indicators.
• Suitable for 18650 battery packs.

Applications / Use Cases

• DIY battery pack projects.
• Portable power systems.
• Rechargeable electronic devices.
• Educational electronics projects.
• Robotics applications.
• Battery-powered lighting systems.
• Portable test equipment.
• Custom battery charging solutions.
• Maker and hobby electronics projects.
• Student projects in Bangladesh and BD electronics laboratories.

User Guide / How to Use

• Connect the 4S battery pack to the battery terminals correctly.
• Verify battery polarity before connecting.
• Provide suitable input voltage through the Type-C port.
• Observe the CR LED during charging.
• Monitor the OK LED for full charge indication.
• Disconnect the power source after charging is completed if required.
• Install the module in a properly ventilated enclosure.
• Avoid reverse battery connection.

Frequently Asked Questions (FAQs)

• Q: What type of battery does this module support?
  A: It supports 4-cell lithium-ion battery packs including 18650 batteries.
• Q: What is the charging voltage?
  A: The charging voltage is 16.8V.
• Q: Does the module have protection features?
  A: Yes, it includes overvoltage, low voltage, and short circuit protection.
• Q: Can it be used for DIY projects?
  A: Yes, it is suitable for DIY electronics and battery projects.
• Q: What input connector does it use?
  A: The module uses a Type-C input port.
• Q: Are charging indicators available?
  A: Yes, CR and OK LEDs indicate charging and full-charge status.

Challenges and Considerations

• Proper battery polarity must be maintained.
• Use only compatible 4S lithium-ion battery packs.
• Avoid exposure to moisture and water.
• Ensure adequate ventilation during operation.
• Do not exceed recommended input voltage.
• Battery balancing should be considered for long-term battery health.

Compatibility

• 4S lithium-ion battery packs.
• 18650 battery assemblies.
• Rechargeable lithium battery projects.
• Portable power devices.
• DIY battery systems.
• Educational electronics kits.
• Custom battery enclosures.

Future Enhancement Options

• Add battery monitoring circuits.
• Integrate battery balancing modules.
• Include battery capacity indicators.
• Develop smart charging systems.
• Combine with protection BMS boards.
• Integrate with portable power stations.

Benefits

• Reliable 4S battery charging.
• Compact and lightweight design.
• Easy Type-C connectivity.
• Built-in protection functions.
• Suitable for educational and DIY projects.
• Simple LED charging indication.
• Wide operating temperature range.
• Supports portable battery applications.
• Useful for makers and electronics enthusiasts in Bangladesh.

Conclusion

The 4S 16.8V 1A Type-C Li-ion Battery Charging Module provides an efficient charging solution for 4-cell lithium-ion battery packs. Its safety protections, compact design, and Type-C connectivity make it suitable for electronics projects, portable devices, and battery-powered applications. Whether used by hobbyists, students, or makers in Bangladesh, this module offers practical charging functionality for various battery systems.

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