4S-150A LiFePO₄ (LFP) BMS — JBD Model

Overview
The JBD 4S-150A BMS is designed for 4-series LiFePO₄ battery packs with a nominal voltage of 12.8V. It supports very high continuous discharge currents up to 150A, providing robust protection, passive cell balancing, and advanced communication features for demanding applications.

Specifications

• Cell Configuration: 4S (4 cells in series)

• Battery Chemistry: LiFePO₄ (LFP)

• Nominal Voltage: 12.8V (3.2V × 4)

• Maximum Continuous Current: 150A

• Peak Current: Typically 180A to 200A (short bursts)

• Balancing Type: Passive balancing

• Balance Current: Approximately 30mA to 80mA

• Protection Features:

  • Over-voltage protection

  • Under-voltage protection

  • Over-current protection

  • Short-circuit protection

  • Over-temperature protection

  • Under-temperature protection

• Communication:

  • Bluetooth (optional)

  • UART / RS485 / CAN

• Operating Temperature Range: -20°C to +60°C

Features

• Real-time monitoring and balancing of individual cells

• High-current capability for continuous 150A discharge

• Comprehensive protections for voltage, current, and temperature extremes

• Bluetooth-enabled monitoring and configuration via JBD app (model dependent)

• Compact, rugged design suitable for high-power 4S battery packs

Applications

• 12.8V LiFePO₄ battery packs with very high current requirements

• Electric scooters, power tools, and compact electric vehicles

• Solar energy storage and off-grid power applications

• Portable battery packs and backup power systems

• DIY 4S battery projects demanding high power output

Important Notes

• Designed exclusively for LiFePO₄ (3.2V per cell) chemistry

• Proper wiring of balance leads and main terminals is essential

• Ensure charger and load currents do not exceed 150A continuous rating

• Bluetooth and smart features depend on specific BMS models

• Adequate cooling and ventilation recommended under heavy continuous load