2000mAh Li-ion Rechargeable 18650 Battery 3.7V

18650 3.7V 2000mAh 20A High Drain Rechargeable Lithium Battery

The 18650 3.7V 2000mAh Rechargeable Lithium Battery is a dependable power source designed for a wide range of portable electronic devices. Built with Li-ion technology, this rechargeable battery provides stable voltage output, long service life, and consistent performance for both everyday and demanding applications. Its high 20A discharge capability makes it suitable for devices that require higher current while maintaining efficient energy delivery.

Whether you are building a DIY electronics project, repairing battery-powered equipment, or replacing an old 18650 cell, this battery offers reliable performance for hobbyists, students, engineers, and professionals. It is an excellent choice for robotics, embedded systems, IoT projects, portable lighting, drones, and electronic devices commonly used in Bangladesh.

At Biggan Project, we understand the needs of makers, students, and electronics enthusiasts in Bangladesh. This battery is suitable for educational experiments, prototype development, robotics competitions, and various electronic projects. If you are looking for a quality rechargeable 18650 battery in BD, this model is a practical solution for powering your devices efficiently.

Product Specifications

Features

• High-quality rechargeable Li-ion battery.
• Stable 3.7V output for consistent performance.
• 2000mAh capacity for extended operating time.
• High 20A discharge capability.
• Suitable for high-drain electronic devices.
• Long cycle life with proper charging.
• Compact standard 18650 battery size.
• Low maintenance rechargeable power source.

Applications / Use Cases

• LED flashlights and emergency lights.
• DIY electronics and embedded system projects.
• Arduino and Raspberry Pi portable power solutions.
• Robotics and automation projects.
• Drone battery packs.
• Portable testing equipment.
• Electric air pumps.
• Portable electronic devices.
• Educational electronics experiments.
• Battery replacement for compatible devices.

User Guide / How to Use

• Charge the battery using a compatible Li-ion charger.
• Observe correct battery polarity before installation.
• Do not short circuit the battery terminals.
• Avoid overcharging or deep discharging.
• Store in a cool and dry location when not in use.
• Use only with compatible 18650 battery holders or devices.
• Inspect the battery regularly for physical damage.

Frequently Asked Questions (FAQs)

• Q: Is this battery rechargeable?
  A: Yes, it is a rechargeable Li-ion battery.
• Q: What is the battery voltage?
  A: The nominal voltage is 3.7V.
• Q: What is the battery capacity?
  A: It provides a nominal capacity of 2000mAh.
• Q: Can it be used in flashlights?
  A: Yes, it is suitable for compatible 18650 flashlights.
• Q: Is it suitable for robotics projects?
  A: Yes, it is widely used in robotics, DIY electronics, and educational projects.
• Q: Does it support high-current applications?
  A: Yes, it supports up to 20A discharge under appropriate operating conditions.

Challenges and Considerations

• Use only a charger designed for Li-ion batteries.
• Do not expose the battery to excessive heat or fire.
• Avoid puncturing, crushing, or disassembling the battery.
• Always verify device compatibility before installation.
• Replace damaged batteries immediately.

Compatibility

• Compatible with devices designed for standard 18650 Li-ion batteries.
• Suitable for flashlights using 18650 cells.
• Works with many DIY battery packs.
• Compatible with robotics and embedded electronics projects.
• Suitable for portable electronic equipment requiring a 3.7V Li-ion battery.

Future Enhancement Options

• Use with a protected battery management system (BMS).
• Build higher-capacity battery packs by connecting compatible cells.
• Integrate with solar charging systems.
• Use with smart battery monitoring modules.
• Combine with battery holders for custom portable power solutions.

Benefits

• Reliable rechargeable power source.
• Reduces battery replacement costs.
• High discharge capability for demanding devices.
• Suitable for professional and hobby electronics.
• Compact and lightweight design.
• Ideal for students, engineers, and makers in Bangladesh.
• Excellent choice for Biggan Project electronics and educational applications.

Conclusion

The 18650 3.7V 2000mAh Rechargeable Lithium Battery offers dependable performance, stable output, and excellent versatility for a wide variety of electronic devices. Whether you are working on a Biggan Project, developing a robotics prototype, building DIY electronics, or replacing an existing battery, this rechargeable Li-ion cell is a practical and reliable power solution for users throughout Bangladesh and BD.

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