Jiabaida (JBD) LiFePo4 4S 12.8V 20A Battery Management System - BMS Protection Board

The Jiabaida (JBD) LiFePO4 4S 12.8V 20A Battery Management System (BMS) Protection Board is a high-quality battery protection solution designed specifically for 4-cell (4S) 12.8V LiFePO4 battery packs. It provides reliable protection against overcharge, over-discharge, overcurrent, short circuit, and temperature-related issues, ensuring maximum safety and longer battery life.

Built using premium MOSFETs and an intelligent control IC, this JBD BMS delivers stable performance with a continuous discharge current of up to 20A, making it suitable for DIY battery packs, solar energy storage systems, portable power stations, robotics, electric vehicles, backup power supplies, and various industrial applications.

Whether you're building a custom LiFePO4 battery pack or replacing an existing BMS, the Jiabaida 4S 20A BMS offers dependable battery management, efficient cell balancing (if supported by the model), and excellent charging/discharging protection. Its compact design makes installation easy while maintaining high efficiency and low power consumption.

Key Features

• Designed for 4S (4 Cell) 12.8V LiFePO4 battery packs
• Continuous discharge current up to 20A
• High-quality Jiabaida (JBD) intelligent BMS
• Overcharge protection for safe battery charging
• Over-discharge protection to prevent battery damage
• Overcurrent protection during heavy loads
• Short circuit protection for enhanced safety
• Temperature protection (model dependent)
• Cell balancing function (available in balancing version)
• Low standby power consumption
• High efficiency MOSFET design
• Compact PCB for easy installation
• Increases battery lifespan and performance
• Suitable for DIY and commercial battery pack manufacturing
• Stable and reliable long-term operation

Applications

The Jiabaida 4S 20A LiFePO4 BMS is widely used in:

• DIY LiFePO4 battery packs
• Solar energy storage systems
• Portable power stations
• Electric bicycles (low-power models)
• Electric scooters
• Emergency backup power systems
• UPS battery systems
• Robotics projects
• Industrial battery packs
• Medical equipment
• LED lighting backup systems
• Camping power solutions
• Marine battery applications
• RV battery systems
• Home energy storage projects

Specifications

• Brand: Jiabaida (JBD)
• Product Type: Battery Management System (BMS)
• Battery Chemistry: LiFePO4 (Lithium Iron Phosphate)
• Battery Configuration: 4S
• Nominal Battery Voltage: 12.8V
• Full Charge Voltage: 14.6V
• Continuous Discharge Current: 20A
• Charging Current: Up to 20A (recommended as per battery pack specifications)
• Protection Functions:
  • Overcharge Protection
  • Over-discharge Protection
  • Overcurrent Protection
  • Short Circuit Protection
  • Temperature Protection (model dependent)
  • Cell Balancing (balancing version)
• Balance Current: Typically 30–60mA (model dependent)
• Operating Temperature: -20°C to +60°C
• PCB Material: FR-4 High-Quality PCB
• Mounting Type: Wired Connection
• Application: 4S LiFePO4 Battery Packs

Package Includes

• 1 × Jiabaida (JBD) LiFePO4 4S 12.8V 20A Battery Management System (BMS) Protection Board

Benefits

• Protects expensive LiFePO4 battery packs
• Improves battery safety and reliability
• Prevents overcharging and deep discharge
• Reduces risk of short circuits and overcurrent damage
• Extends battery cycle life
• Compact, lightweight, and easy to integrate
• Ideal for both DIY enthusiasts and professional battery manufacturers

Why Choose Jiabaida (JBD) BMS?

Jiabaida (JBD) is a trusted manufacturer known for producing reliable and high-performance Battery Management Systems. Their BMS boards are widely used in electric vehicles, solar storage, portable power systems, and industrial battery applications due to their excellent protection features, build quality, and dependable performance.