5S BMS Lithium Li-ion 18650 Battery Protection Board with Balance Charging & Safety Protection

Detailed Description

The 5S BMS Lithium Li-ion 18650 Battery Protection Board is an advanced battery management system designed for 5-series (5S) lithium-ion battery packs using 18650 cells. This module provides intelligent balance charging and comprehensive protection functions to ensure safe, stable, and efficient battery operation.

Equipped with automatic cell balancing technology, the board maintains equal voltage levels across all connected cells during charging and discharging, improving battery lifespan, performance, and charging efficiency. It also offers essential safety protections including overcharge protection, over-discharge protection, overcurrent protection, and short-circuit protection.

Designed for 18.5V nominal and 21V fully charged lithium battery systems, this BMS board is ideal for DIY battery packs, solar energy storage, electric bicycles, robotics, UPS systems, portable power stations, and various electronic projects.

Its compact PCB layout allows easy installation while providing reliable power management for high-performance lithium battery applications.

Key Features

• Designed for 5S 18650 lithium-ion battery packs
• Supports balance charging for improved battery lifespan
• Compatible with 18.5V nominal / 21V full-charge battery systems
• Overcharge protection for safe charging operation
• Over-discharge protection to prevent battery damage
• Overcurrent and short-circuit protection
• Stable and efficient battery management performance
• Improves charging consistency between cells
• Compact and lightweight PCB design
• Suitable for DIY battery packs, robotics, solar systems, and portable electronics

Weight

• Approximate: 10g