Type-C 2S 8.4V 1A 18650 Battery Charging Module

Type-C 2S 8.4V USB-C Lithium Battery Charging Module for 18650 Packs

The Type-C 2S 8.4V 1A Lithium Battery Charger Board is a compact and efficient charging module designed for charging 2S 18650 lithium battery packs safely and reliably. It utilizes a USB Type-C input, making it convenient to power from standard 5V USB adapters, power banks, and USB power supplies. The module converts the input power into a regulated 8.4V charging output suitable for two lithium cells connected in series.

This charging board is widely used in DIY electronics, battery-powered projects, robotics, portable devices, and educational applications. Students and makers working on Biggan Project activities in Bangladesh frequently use this module for rechargeable battery systems because of its compact design and built-in safety protections.

The integrated protection functions help protect the battery pack against overcharging, overcurrent conditions, and short circuits. These safety features make the module suitable for long-term use in portable electronics and embedded systems. For hobbyists, students, and developers in BD, this charging board provides an affordable solution for rechargeable battery management.

Many science fair participants, robotics enthusiasts, and Biggan Project developers in Bangladesh use 2S lithium battery packs to power robots, IoT devices, portable instruments, and electronic prototypes. The Type-C interface also provides improved durability and easy cable availability, making the board practical for modern electronic designs.

Product Specifications

Features

• USB Type-C input for convenient power connection.
• Designed specifically for 2S 18650 lithium battery packs.
• Stable 8.4V charging output.
• Compact and lightweight PCB design.
• Built-in protection against overcharge conditions.
• Overcurrent protection improves charging safety.
• Short-circuit protection enhances reliability.
• Suitable for DIY and educational electronics projects.
• Wide operating temperature range.
• Easy integration into portable battery systems.

Applications / Use Cases

• DIY rechargeable battery packs.
• Robotics projects.
• Biggan Project demonstrations.
• Portable electronic devices.
• Educational electronics experiments.
• Battery-powered IoT devices.
• Rechargeable LED lighting systems.
• Small portable instruments.
• Science fair projects in Bangladesh.
• Embedded system prototypes.

User Guide / How to Use

• Connect a stable 5V power source to the USB Type-C port.
• Connect the 2S lithium battery pack to the battery terminals correctly.
• Verify proper battery polarity before powering the module.
• Allow the battery to charge until charging is completed.
• Disconnect the input power after charging if required.
• Use the module in a ventilated environment.
• Avoid exposing the board to moisture or water.
• Inspect battery conditions before charging.

Frequently Asked Questions (FAQs)

• Q: What batteries does this board support?
  A: It is designed for 2S 18650 lithium battery packs.
• Q: What input voltage is recommended?
  A: A stable 5V input supply is recommended.
• Q: Does the board have protection functions?
  A: Yes, it includes overcharge, overcurrent, and short-circuit protection.
• Q: Can a phone charger power this module?
  A: Yes, most 5V USB adapters can provide suitable input power.
• Q: Is it suitable for student projects?
  A: Yes, it is widely used in Biggan Project and educational electronics projects.
• Q: Can it charge a single lithium cell?
  A: No, it is specifically designed for 2S battery packs.

Challenges and Considerations

• Battery polarity must be connected correctly.
• Only compatible 2S lithium battery packs should be used.
• A stable 5V input supply is recommended.
• Damaged batteries should not be charged.
• The module should be protected from moisture.
• Adequate ventilation helps maintain operating temperature.

Compatibility

• 2S 18650 lithium battery packs.
• 5V USB adapters.
• USB power banks.
• USB Type-C power supplies.
• DIY electronics projects.
• Robotics systems.
• Educational laboratory projects.
• Portable battery-powered devices.

Future Enhancement Options

• Add battery level monitoring circuits.
• Integrate charging status indicators.
• Combine with battery management systems.
• Add enclosure protection for portable use.
• Use with microcontroller monitoring systems.
• Integrate with solar charging applications.

Benefits

• Simple and reliable charging solution.
• Modern USB Type-C connectivity.
• Compact PCB design saves installation space.
• Multiple protection functions improve safety.
• Suitable for educational and professional projects.
• Ideal for Bangladesh electronics projects and BD makers.
• Affordable solution for rechargeable battery systems.
• Useful for science projects and portable electronics.

Conclusion

The Type-C 2S 8.4V 1A Lithium Battery Charger Board provides a practical and efficient solution for charging 2S lithium battery packs. Its compact size, USB Type-C input, and built-in safety protections make it suitable for DIY electronics, robotics, educational projects, and Biggan Project applications in Bangladesh. The module offers dependable charging performance while remaining easy to integrate into various battery-powered systems.

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