PGY107 12V 25A 4S
The PGY-107 is a compact battery protection board designed for 4-series (4S) LiFePO₄ battery packs. It supports 25A continuous charge and discharge current and adopts a common port design, making it suitable for small energy storage and low-voltage power applications. This model is a hardware-based BMS, focusing on stable current capability and essential protection functions for LiFePO₄ battery systems.
Product Detail
Product Overview
The PGY-107 is developed for 4S lithium iron phosphate (LiFePO₄) rechargeable battery packs.
It uses an integrated protection IC solution with a 4 charge MOS + 4 discharge MOS configuration, providing reliable protection during charging and discharging operations.
With its common port architecture, the board simplifies wiring and is suitable for compact battery systems used in energy storage applications.
Key Features
- Supports 4S LiFePO₄ Battery Packs
- 25A Continuous Charge & Discharge Current
- Common Port Design
- Hardware Protection Functions:
- Overcharge protection
- Over-discharge protection
- Charge over-current protection
- Discharge over-current protection (two-level)
- Short-circuit protection
- Overcharge protection
- Low quiescent current
- Compact PCB size
- Designed for energy storage applications
Electrical Specifications
- Battery Chemistry: LiFePO₄
- Number of Cells: 4S
- Typical Operating Voltage (Pack): 12.0 V
- Operating Voltage Range (Pack): 8.8 V – 15.0 V
- Max Charge Voltage: 14.4 V (CC / CV)
- Max Continuous Charge Current: 25 A
- Max Continuous Discharge Current: 25 A
Protection Parameters (Typical, 25 °C)
Cell Voltage Protection
- Overcharge Protection (per cell):
3.75 V (typ.), release at 3.55 V - Over-discharge Protection (per cell):
2.20 V (typ.), release at 2.70 V
Over-Current & Short-Circuit Protection
- Charge Over-Current Protection (Icoc):
35 / 45 / 55 A (Min / Typ / Max) - Discharge Over-Current Protection:
- Level 1: 65 / 75 / 85 A
- Level 2: 155 / 175 / 195 A
- Level 1: 65 / 75 / 85 A
- Short-Circuit Protection Delay Time:
200 / 350 / 700 μs (Min / Typ / Max)
Other Parameters
- Quiescent Current: 50 / 100 μA
- Conduction Resistance (B− to P−): ≤ 35 mΩ
- MOSFET Temperature Rise @ Rated Current: ≤ 65 °C
This model does not include temperature protection or balancing functions.
Environmental & Mechanical
- Operating Temperature: −20 °C to +65 °C
- Storage Temperature: −40 °C to +90 °C
- Operating Humidity: ≤ 90% RH (non-condensing)
- Maximum Operating Altitude: 4000 m
- PCB Dimensions: 65.2 × 36 × 10 mm
Application Scenarios
- Small LiFePO₄ energy storage battery packs
- Low-voltage power battery systems
- Backup power modules
- DIY or modular LiFePO₄ battery assemblies
Our Advantages
Simple & Reliable
• Stable hardware + proven firmware
• No unnecessary features
Built for Light EVs
• Scooters / E-bikes / Tricycles
• Golf carts / Light electric motorcycles / Drones
Essential Protection
• OV / UV / OC / SC / OTP
• Designed for daily use
Bluetooth Support
• Optional Bluetooth monitoring
• Basic status & diagnostics
Easy Integration
• Clear hardware interface
• Simple configuration
Reasonable Cost
• In-house production
• Competitive pricing for real orders
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Request a Quote
Our experts team is ready to help with your specific application needs
Phone: +86-13620907687
Email : business@pgybms.com
Launch Tech Industrial Park, No. 4012 Wuhe Avenue, Bantian Street, Longgang District,Shenzhen