8S-80A LiFePO₄ (LFP) BMS — JBD Model

Overview
The JBD 8S-80A BMS is engineered for 8-cell LiFePO₄ battery packs (25.6V nominal). It supports up to 80A of continuous discharge current and provides essential battery management features such as overcurrent protection, voltage balancing, and optional smart communication like Bluetooth or UART.

Specifications

• Cell Configuration: 8S (8 cells in series)

• Battery Chemistry: LiFePO₄ (LFP)

• Nominal Voltage: 25.6V (3.2V × 8)

• Maximum Continuous Current: 80A

• Peak Current: 100A to 120A (short duration)

• 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 Options (varies by model):

  • Bluetooth

  • UART / RS485 / CAN

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

Features

• Monitors individual cell voltages in real time

• Automatic passive balancing during charging

• Comprehensive protections to prolong battery life

• Optional app-based monitoring and configuration via Bluetooth

• Sturdy and compact design for demanding use cases

Applications

• 25.6V LiFePO₄ battery systems

• High-power electric bikes, scooters, and mobility devices

• Solar and off-grid energy storage

• DIY battery projects requiring up to 80A continuous current

• Portable power stations and inverter packs

Important Notes

• Compatible only with LiFePO₄ chemistry (3.2V per cell)

• Requires accurate wiring of balance leads and power connections

• Current limits must be respected to prevent damage

• Bluetooth and CAN functionality depend on the BMS variant

• Ensure adequate cooling for continuous high-load operation