PGY088 12V 15A 3S
The PGY-088 is a compact battery protection board designed for 3-series (3S) ternary lithium battery packs (4.2 V per cell). It supports 15 A continuous charge and discharge current and adopts a common port architecture, allowing charging and discharging through the same terminal. This product is a hardware-based BMS integrating essential protection functions and passive cell balancing, suitable for small lithium battery packs requiring stable protection and simple system integration.
Product Detail
- Supports 3S ternary lithium battery packs (4.2 V cells)
- 15 A continuous charge and discharge current
- Common port design
- Hardware protection functions:
- Overcharge protection
- Over-discharge protection
- Charge over-current protection
- Discharge over-current protection
- Short-circuit protection
- Overcharge protection
- Passive cell balancing
- Compact PCB design
- Low self-consumption
Electrical Specifications
- Battery Chemistry: Ternary Lithium (4.2 V cells)
- Number of Cells: 3S
- Working Voltage (Pack): 8.4 / 10.8 / 12.75 V (Min / Typ / Max)
- Charge Voltage: 12.6 V (CC–CV)
- Max Continuous Charge Current: 15 A
- Max Continuous Discharge Current: 15 A
Protection Parameters (Typical, 25 °C)
Cell Voltage Protection
- Overcharge Protection (per cell):
4.20 / 4.25 / 4.30 V (Min / Typ / Max) - Overcharge Release Voltage (per cell):
4.14 / 4.19 / 4.24 V (Min / Typ / Max) - Over-discharge Protection (per cell):
2.70 / 2.80 / 2.90 V (Min / Typ / Max) - Over-discharge Release Voltage (per cell):
2.90 / 3.00 / 3.10 V (Min / Typ / Max)
Over-Current and Short-Circuit Protection
- Charge Over-Current Protection (Icoc):
22 / 32 / 42 A (Min / Typ / Max) - Charge Over-Current Delay Time:
10 / 20 / 30 ms (Min / Typ / Max) - Discharge Over-Current Protection (Idoc1):
55 / 65 / 75 A (Min / Typ / Max) - Short-Circuit Protection Delay Time:
200 / 350 / 700 μs (Min / Typ / Max)
Balancing Function
- Balancing Start Voltage:
4.15 / 4.18 / 4.20 V (Min / Typ / Max) - Balancing Current:
35 / 40 / 45 mA (Min / Typ / Max)
Other Electrical Characteristics
- Quiescent Current: 50 / 80 μA (Min / Typ)
- Conduction Resistance (B− to P−): ≤ 35 mΩ
- Temperature Protection: Not supported
Environmental & Mechanical
- Operating Temperature: −20 °C to +65 °C
- Storage Temperature: −40 °C to +90 °C
- Operating Humidity: ≤ 90 % RH (non-condensing)
- PCB Dimensions: 60 × 32 × 10 mm
Application Scenarios
- Small 3S ternary lithium battery packs
- Portable electronic devices
- DIY lithium battery modules
- Backup and control battery systems
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