FK019 36V 40A 9S
The FK-019 is a compact lithium battery protection board designed for 9-series (9S) ternary lithium battery packs. It supports up to 40A 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 protection solution focused on essential battery safety functions, including voltage, current, and short-circuit protection.
Product Detail
Product Title
FK-019 9S 40A Lithium Battery Protection Board (Common Port Design)
Product Overview
The FK-019 is a compact lithium battery protection board designed for 9-series (9S) ternary lithium battery packs.
It supports up to 40A 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 protection solution focused on essential battery safety functions, including voltage, current, and short-circuit protection.
Key Features
- Supports 9S Ternary Lithium Battery Packs
- 40A Continuous Charge & Discharge Capability
- Common Port Architecture
- Charge and discharge through the same port
- Charge and discharge through the same port
- Essential Protection Functions
- Overcharge protection
- Over-discharge protection
- Charge & discharge over-current protection
- Short-circuit protection
- Overcharge protection
- Compact and Lightweight PCB Design
- Low Standby Power Consumption
Electrical Specifications
- Battery Chemistry: Ternary Lithium (NMC)
- Number of Cells: 9S
- Nominal Pack Voltage: approx. 33.3 V
- Max Charge Voltage: 33.3 V (CC-CV)
- Max Continuous Charge Current: 40A
- Max Continuous Discharge Current: 40A
Protection Parameters (Typical, 25 °C)
- Overcharge Protection (per cell): 4.20 V (typ.), release at 4.15 V
- Over-discharge Protection (per cell): 2.50 V (typ.), release at 2.80 V
- Charge Over-Current Protection (Icoc): 50 / 60 / 70 A (Min / Typ / Max)
- Discharge Over-Current Protection:
- Level 1: 120 A (typ.)
- Level 2: 240 A (typ.)
- Level 1: 120 A (typ.)
- Short-Circuit Protection Response Time: ≤ 500 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: 95 × 50 × 10 mm
Application Scenarios
- Electric scooters and personal mobility devices
- Compact power battery packs
- Light electric vehicles requiring moderate current
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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Phone: +86-13620907687
Email : business@pgybms.com
Launch Tech Industrial Park, No. 4012 Wuhe Avenue, Bantian Street, Longgang District,Shenzhen