4S/12A BMS Module

The 4S/12A BMS Module is a battery management system designed for 4-series lithium-ion or lithium-polymer battery packs. It provides essential protection and balancing functions to ensure safe charging and discharging of the battery pack. The module monitors individual cell voltages and current flow, helping to extend battery life and improve overall safety in battery-powered systems.

Technical Specifications:

• Battery Configuration: 4S (4 cells in series)
• Rated Discharge Current: 12 A
• Battery Type: Lithium-ion / Lithium-polymer
• Overcharge Protection Voltage: ~4.25 V per cell
• Over-discharge Protection Voltage: ~2.5 V per cell
• Overcurrent Protection: Supported
• Short-circuit Protection: Supported
• Balancing Function: Passive cell balancing
• Connection Terminals: B+, B−, B1, B2, B3, P+, P−

Features:

• Provides overcharge, over-discharge, overcurrent, and short-circuit protection
• Integrated cell balancing for improved battery performance
• Compact and lightweight PCB design
• Improves safety and longevity of lithium battery packs
• Easy integration into custom battery assemblies

Applications:

• DIY lithium battery packs
• Electric bikes and scooters
• Portable power banks
• Robotics and embedded systems
• Solar and energy storage projects
• Battery-powered tools and devices