Product Overview

The PGY-168 is an intelligent Battery Management System (BMS) designed for 20S LiFePO4 battery packs, supporting up to 60A continuous charge/discharge current with a same-port design. It integrates high-precision monitoring, full protection, passive balancing, Bluetooth communication, and GPS/Beidou positioning, delivering a safe, reliable, and long-life solution for high power lithium iron phosphate battery systems.With passive balancing and high-accuracy SOC calculation, it automatically equalizes cell voltages during charging to improve consistency and extend battery lifetime. Real-time parameter monitoring and mobile APP access make battery operation safer and smarter.

Key Features

• Passive Balancing Technology

·Automatic voltage equalization during charging

·Balancing current: 30–80mA

·Improves cell consistency and battery lifespan

• 20S LiFePO4 Compatibility

·Designed for 20-series 3.2V LiFePO4 battery packs

·Cell voltage detection range: 1.0V–5.0V

·Total voltage detection range: 0–80V

• Stable 60A Charge & Discharge

·Continuous charge current: 60A

·Continuous discharge current: 60A

·Same-port structure for simplified wiring

• Smart Monitoring & Bluetooth Communication

·Real-time monitoring of voltage, current, temperature, SOC, and cycle count

·Built-in Bluetooth for mobile APP (iOS & Android)

·PC software for parameter configuration

·Supports GPS + Beidou dual-mode positioning

• Comprehensive Multi-Level Protection

·Over-charge and over-discharge protection (cell & whole pack)

·Charge/discharge over-current and short-circuit protection

·MOS and cell temperature protection (high/low temp)

·Cell voltage imbalance detection

·Cell voltage loss detection

• Intelligent Low Power Management

·Auto sleep after 30s of inactivity

·Deep sleep mode for long term storage

·Wake-up by charging or load activation

·Ultra-low power consumption in shutdown mode

• Anti-Spark One Line Communication

·Integrated one line anti spark interface

·Improves safety during wiring and connection

·Stable signal transmission

Electrical Specifications

·Battery Type: LiFePO4 (3.2V/cell)

·Configuration: 20S

·Continuous Charge Current: 60A

·Continuous Discharge Current: 60A

·Operating Current: 20–25mA

·Sleep Current: 10–15mA

·Deep Sleep Current: 10–20μA

·Balancing Type: Passive

·Balancing Current: 30–80mA

·Cell Voltage Detection: 1.0V–5.0V

·Total Voltage Detection: 0–80V

·SOC Estimation Accuracy: <5%

·Temperature Sensors: 2×NTC

·Communication: Bluetooth + GPS/Beidou

·Operating Temperature: -20°C to +70°C

·Storage Temperature: -40°C to +85°C

·Operating Humidity: 0–90% RH (non condensing)

·Storage Humidity: 0–90% RH (non condensing)

·Discharge Loop Resistance: <40mΩ

Power Consumption

·Operating Current: 20–25mA

·Sleep Mode Current: 10–15mA

·Deep Sleep Current: 10–20μA

·Protection Parameters (25°C, LiFePO4)

·Over-charge Protection (per cell): 3.75V (adjustable)

·Over-charge Recovery: 3.55V

·Over-discharge Protection (per cell): 2.2V (adjustable)

·Over-discharge Recovery: 2.5V

·Short-circuit Protection: 568A±10A, 544μs response

·Charge Over-current: 55A±2A / 980ms (configurable)

·Discharge Over-current: 220A±2A / 1s (configurable)

·MOS Over-temperature: 90°C (recover at 70°C)

·Charge Temp. Protection: -3°C–55°C

·Discharge Temp. Protection: -20°C–75°C

Mechanical Specifications

·PCB Dimensions: 130mm × 70mm × 8.7mm

·Connectors: PH2.0 (2P, 4P, 17P+6P)

·Compliance: RoHS

Application Scenarios

·20S LiFePO4 battery packs

·High-power energy storage systems

·Electric vehicles, scooters, and light electric vehicles

·Industrial power battery systems

·Mobile backup power and outdoor power supplies