Description

12V 3S-1P BMS 1800mAh Rechargeable 18650 Li-ion Battery Pack

The 12V 3S-1P BMS 1800mAh Rechargeable 18650 Li-ion Battery Pack is a high-performance energy solution designed for portable electronics, DIY projects, robotics, and small-scale energy storage systems. Utilizing three high-quality 18650 lithium-ion cells in series (3S) with a Battery Management System (BMS), this pack delivers consistent voltage, stable current output, and superior safety features.

Whether you are building electric scooters, power tools, DIY gadgets, or custom battery solutions, this rechargeable battery pack provides the reliability, capacity, and longevity needed for demanding applications.

Key Features

12V High-Quality Output

The 3S configuration provides a nominal 12 volts, suitable for a wide range of electronics and low-voltage DC applications. The pack delivers stable energy that ensures optimal performance of devices and equipment.

1800mAh Capacity

With a capacity of 1800mAh, this battery pack provides long-lasting power for continuous operation. It’s ideal for applications that require moderate energy consumption without frequent recharging.

Integrated BMS for Safety

The Battery Management System (BMS) provides essential safety protections, including:

• Overcharge Protection – prevents damage from exceeding voltage limits

• Over-discharge Protection – ensures cells are not drained below safe thresholds

• Overcurrent Protection – safeguards against short circuits and excessive current draw

• Cell Balancing – maintains uniform charge across all 3 cells for extended battery life

This built-in BMS ensures reliable and safe operation, making it ideal for both DIY enthusiasts and professional users.

Rechargeable and Eco-Friendly

The 18650 lithium-ion cells are fully rechargeable, reducing the need for disposable batteries and minimizing environmental impact. With proper care, the battery pack offers hundreds of charge-discharge cycles, making it a cost-effective and sustainable energy solution.

Compact and Portable Design

This battery pack is lightweight and compact, allowing easy integration into portable devices, robotics, and DIY electronics projects. Its form factor is optimized for small enclosures without sacrificing performance or capacity.

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Applications

The 12V 3S-1P BMS 1800mAh Li-ion Battery Pack is suitable for a wide range of applications, including:

• DIY Electronics Projects – Power microcontrollers, sensors, and small devices

• Electric Scooters and Toys – Provides reliable energy for mobility solutions

• Robotics and Automation – Compact, rechargeable power for motors and actuators

• Portable LED Lighting – Long-lasting power for flashlights, LED strips, and lamps

• Backup Power Supplies – Ideal for small UPS or energy storage systems

• Hobbyist Projects – Custom battery packs for drones, RC cars, or Arduino-based devices

Its versatility makes it a practical solution for both educational and professional electronics projects.

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Benefits

• Stable 12V Output: Ensures consistent performance across applications

• Integrated BMS: Provides comprehensive safety protections for cells and devices

• Rechargeable & Long-Lasting: Hundreds of cycles with high energy retention

• Compact and Portable: Easy to integrate into tight spaces or portable systems

• High-Quality 18650 Cells: Reliable energy with long-term durability

• Eco-Friendly: Reduces waste compared to disposable batteries

• Versatile Applications: Ideal for DIY, robotics, power tools, and portable electronics

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Installation and Usage

1. Connect the positive (+) and negative (−) terminals to your device or load.

2. Ensure the BMS is properly configured for your application to prevent overcurrent or over-discharge.

3. Charge the battery using a compatible Li-ion charger rated for 12V packs.

4. Monitor usage and avoid overloading the battery beyond its rated 1800mAh capacity.

With proper usage, this pack provides reliable energy for countless applications.

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Conclusion

The 12V 3S-1P BMS 1800mAh Rechargeable 18650 Li-ion Battery Pack is a high-quality, safe, and reliable power source for a variety of applications. Its integrated BMS, rechargeable lithium-ion cells, and compact design make it ideal for DIY electronics, robotics, small vehicles, and portable devices.

Invest in this 12V Li-ion battery pack for long-lasting performance, enhanced safety, and sustainable energy in all your low-voltage DC projects.