PGYBMS Hardware Protection Board PGY154 100A 6S 8S LiFePO4 Power Management & Protection Module

The PGY-154 is a high-current LiFePO₄ Battery Management System (BMS) designed for rechargeable lithium iron phosphate battery packs.
It supports up to 100A continuous discharge current and 100A continuous charge current, using a common port architecture for both charging and discharging.

This BMS integrates complete electrical protection and cell balancing functionality, ensuring safe operation, improved cell consistency, and stable system performance.
It is suitable for power and energy storage battery pack applications and supports up to two battery modules connected in series.

Key Features:
Designed for 6-series (6S) LiFePO4 battery packs
Nominal system voltage: 19.2 V (6 × 3.2 V)
Maximum charge voltage: 22.0 V (CC-CV)
Continuous discharge current: up to 100 A
Continuous charge current: up to 100 A
Common port configuration (shared charge and discharge terminals)
High-current MOSFET architecture
Integrated cell balancing function
Short-circuit and over-current protection
Suitable for energy storage and high-power applications

Electrical Specifications (Typical):
Battery Type: LiFePO₄ (Lithium Iron Phosphate)
Series Configuration: 6S
Nominal Pack Voltage: 18.0V
Operating Voltage Range: 13.4V – 22.0V
Max Charging Voltage: 22.0V (CC-CV)
Continuous Charge Current: 100A
Continuous Discharge Current: 120A
Cell Over-charge Protection Voltage: 3.75V (typ.)
Cell Over-discharge Protection Voltage: 2.20V (typ.)
Cell Balancing Voltage: 3.54V (typ.)
Balancing Current: 70mA (typ.)
Internal Resistance (Rds): ≤ 35 mΩ
Quiescent Current: ≤ 100 µA

Applications:
High-current LiFePO₄ power battery packs
Energy storage battery systems
Industrial lithium battery solutions
Power equipment requiring 18V-class lithium battery packs