PGYBMS Hardware Protection Board PGY069 25A 3S Li-ion NMC Power Management & Protection Module

The PGY069 is a 3S 25A hardware Battery Management System (BMS) designed for NCM lithium-ion battery packs.
It features a common-port architecture, allowing charging and discharging through the same terminals, which simplifies wiring and integration in compact battery pack designs.

This BMS provides essential protection functions to help ensure safe operation of lithium-ion battery packs under normal working conditions.
It is suitable for applications requiring moderate current output, compact size, and reliable hardware-level protection.

Basic Specifications:
Battery Configuration: 3S (3-series)
Battery Chemistry: Li-ion (NCM)
Nominal System Voltage: 11.1 V (3 × 3.7 V)
Maximum Charge Voltage: 12.6 V
Continuous Discharge Current: up to 25 A
Port Configuration: Common Port (shared charge & discharge)
Type: Hardware BMS

Protection Features:
Over-charge protection (per-cell voltage monitoring)
Over-discharge protection (per-cell voltage monitoring)
Over-current protection
Short-circuit protection

Typical Applications:
3S lithium-ion (NCM) battery packs
Portable power tools
Robotics and motor-driven devices
Backup and control power systems
Custom battery pack assemblies with moderate current demand