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1S 3.6V 3.7V Li-ion Li-Po Battery Protection Circuit Board PCM BMS (Multiple Models Available)
1S 3.6V 3.7V Li-ion Li-Po Battery Protection Circuit Board PCM BMS (Multiple Models Available)
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1S 3.6V/3.7V Li-ion Li-Po Battery Protection Circuit Board (PCM/BMS)
Protect your single-cell 3.6V/3.7V lithium-ion or lithium-polymer batteries with our high-quality protection circuit modules (PCM/BMS). Available in 8 different models with varying shapes, sizes, and discharge currents to meet your specific application needs. Each board provides essential overcharge, over-discharge, and short circuit protection for safe and reliable battery operation.
Package Contents
- 1 × 1S Battery Protection Circuit Board (PCM/BMS) - Select model based on your requirements
Available Models
This product is available in 8 different configurations with varying discharge currents, shapes, and sizes. Please refer to the specification table image for detailed comparison of all models.

Key Features
- 8 Model Options: Different shapes, sizes, and discharge currents to fit various applications
- Triple Protection: Overcharge, over-discharge, and short circuit protection
- 1S Configuration: Designed for single-cell 3.6V/3.7V batteries
- Dual Chemistry Support: Works with both Li-ion and Li-Po batteries
- Compact Design: Various sizes available for easy integration
- Reliable Performance: Ensures safe battery operation and extends battery life
- Easy Installation: Simple connection to battery terminals
- Cost-Effective: Affordable protection for your lithium batteries
Protection Functions
- Overcharge Protection: Disconnects charging when voltage exceeds safe limit
- Over-discharge Protection: Disconnects load when voltage drops too low
- Short Circuit Protection: Instantly cuts power during short circuit conditions
- Overcurrent Protection: Protects against excessive discharge current
Applications
These protection boards are ideal for:
- DIY battery packs
- Portable electronics
- LED lighting systems
- Small power tools
- RC models and drones
- Bluetooth speakers
- Power banks
- Battery repair and replacement
- Custom battery projects
Safety Information
Installation: Ensure correct polarity when connecting to battery. Incorrect connection may damage the board or battery.
Current Rating: Do not exceed the rated discharge current for your selected model to prevent damage.
Handling: Handle with care to avoid damaging circuit components.
Storage: Store in a cool, dry place away from moisture and extreme temperatures.
Inspection: Check for physical damage before installation. Do not use damaged boards.
Shipping & Transportation Notice
Electronic Component: This is an electronic circuit board without battery cells.
Packaging: Shipped in protective anti-static packaging to prevent damage during transit.
Delivery Time: Standard shipping times apply for electronic components.
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