1S 3.7V 3A Li-ion BMS PCM Protection Board for 18650 Lithium Battery Charging & Safety

Detailed Description

The 1S 3.7V 3A Li-ion BMS PCM Battery Protection Board is a compact and reliable battery management module designed for single-cell (1S) 18650 lithium-ion battery packs. It provides essential protection functions to ensure safe charging and discharging operations while extending battery lifespan and improving overall performance.

This PCM (Protection Circuit Module) supports up to 3A continuous current and includes built-in overcharge protection, over-discharge protection, overcurrent protection, and short-circuit protection. It helps prevent battery damage caused by unsafe operating conditions, making it ideal for portable electronics, DIY battery packs, power banks, LED lighting systems, Bluetooth speakers, and embedded electronic projects.

Its ultra-compact and lightweight design allows easy integration into small battery-powered devices and custom lithium battery applications.

Key Features

• Designed for 1S 3.7V lithium-ion 18650 battery packs
• Supports up to 3A continuous current
• Built-in overcharge protection
• Over-discharge protection to prevent deep battery damage
• Overcurrent and short-circuit protection
• Compact and lightweight PCB design
• Stable and reliable battery safety management
• Improves battery lifespan and charging safety
• Suitable for DIY battery packs and portable devices
• Easy integration into battery-powered electronics

Weight

• Approximate: 1g