PGY057 12V 5A 3S
The PGY-057 is a compact lithium battery protection board designed for 3-series (3S) ternary lithium battery packs. It supports up to 6A continuous charge and discharge current and adopts a common port design, allowing charging and discharging through the same terminals. This product is a hardware-based battery protection solution focused on essential safety functions such as overcharge, over-discharge, over-current, and short-circuit protection. It is intended for low-power lithium battery pack applications.
Product Detail
Product Title
PGY-057 3S 6A Lithium Battery Protection Board (Common Port Design)
Product Overview
The PGY-057 is a compact lithium battery protection board designed for 3-series (3S) ternary lithium battery packs.
It supports up to 6A continuous charge and discharge current and adopts a common port design, allowing charging and discharging through the same terminals.
This product is a hardware-based battery protection solution focused on essential safety functions such as overcharge, over-discharge, over-current, and short-circuit protection. It is intended for low-power lithium battery pack applications.
Key Features
- Supports 3S Ternary Lithium Battery Packs
- 6A Continuous Charge & Discharge Capability
- Common Port Architecture
- Essential Protection Functions
- Overcharge protection
- Over-discharge protection
- Charge & discharge over-current protection
- Short-circuit protection
- Overcharge protection
- Low Standby Power Consumption
- Ultra-Compact PCB Design
Electrical Specifications
- Battery Chemistry: Ternary Lithium (NMC)
- Number of Cells: 3S
- Nominal Pack Voltage: approx. 10.8 V
- Max Charge Voltage: 12.6 V (CC-CV)
- Max Continuous Charge Current: 6A
- Max Continuous Discharge Current: 6A
Protection Parameters (Typical, 25 °C)
- Overcharge Protection (per cell): 4.25 V (typ.), release at 4.15 V
- Over-discharge Protection (per cell): 2.70 V (typ.), release at 3.00 V
- Discharge Over-Current Protection (Idoc1): 15 / 20 / 25 A (Min / Typ / Max)
- Short-Circuit Protection Response Time: 200–700 μs (typ.)
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: 51.5 × 17 × 3.0 mm
Application Scenarios
- Low-power 3S lithium battery packs
- Portable electronic devices
- Control batteries and small power modules
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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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