Circular 2S 8.4V BMS Protection Board for 18650 Lithium Battery Pack (2S Li-Ion BMS Module)

The Circular 2S 8.4V BMS Protection Board is a compact battery management module designed for 2-cell 18650 lithium-ion battery packs. It provides essential protection functions including overcharge, over-discharge, overcurrent, and short-circuit protection to ensure safe battery operation and extended service life. Its circular PCB design makes it ideal for compact battery assemblies and portable electronic devices.

Key Features -

• 2S 8.4V lithium battery protection board

• Compatible with 2-cell 18650 lithium batteries

• Overcharge protection

• Over-discharge protection

• Short-circuit protection

• Overcurrent protection

• Compact circular PCB design

• Reliable battery management and safety

Specifications -

• Product type - Battery Management System Module

• Battery type - 2S Li-Ion / 18650 Battery Pack

• Nominal voltage - 7.4V

• Charging voltage - 8.4V

• Continuous current - 2A Typical

• Protection features - Overcharge, Over-Discharge, Overcurrent and Short-Circuit Protection

• PCB type - Circular

• PCB diameter - Approx. 35mm

• Operating temperature - -20C to 60C

• Application - Lithium Battery Protection

Applications -

• DIY battery packs

• Portable electronic devices

• Rechargeable battery projects

• LED lighting systems

• Small robotics projects

• Battery-powered equipment

• Embedded electronic systems

Interfaces -

• B+ - Battery positive terminal

• B- - Battery negative terminal

• P+ - Pack positive output

• P- - Pack negative output