JK SMART BMS 40A 17S, 0.4A ACTIVE BALANCE LITHIUM BATTERY MANAGEMENT SYSTEM

6 MONTHS WARRANTY

JK-BD4A17S4P SMART ACTIVE BALANCE BMS 40A 7S–17S WITH BLUETOOTH

This smart BMS is designed for multi-chemistry lithium battery packs with support for Li-ion, LiFePO4, and LTO batteries. It features active balancing technology, high current handling, and advanced protection settings with Bluetooth monitoring for real-time control via mobile app.

Features

• Supports Li-ion / LiFePO4 / LTO battery packs 
• Wide range: 7S – 24S configuration
• Active balancing technology (0.6A)
• 100A continuous discharge current
• Bluetooth monitoring (Android & iOS)
• GPS remote control support
• Adjustable protection parameters
• High precision voltage detection
• Compact and easy to install
• Optional RS485 / CAN communication

Battery Support

• Li-ion: 7S – 24S
• LiFePO4: 8S – 24S
• LTO: 12S – 24S

Electrical Specifications

• Continuous Discharge Current: 100A
• Peak Discharge Current: 200A
• Active Balance Current: 0.6A
• MOSFET Resistance: 1mΩ
• Single Cell Voltage Range: 1V – 5V
• Voltage Accuracy: ±3mV

Protection Settings (Adjustable)

• Over Charge Protection Voltage: 1.2V – 4.35V
• Over Charge Release Voltage: 1.2V – 4.55V
• Over Discharge Protection Voltage: 1.2V – 4.35V
• Over Discharge Release Voltage: 1.2V – 4.35V
• Over Current Protection: 10A – 100A adjustable
• Over Current Release Time: 2s – 120s adjustable
• Short Circuit Protection: Yes

Temperature & Safety

• Temperature Sensors: 3 units
• Over-temperature protection supported
• Safe and stable battery management

Communication

• Bluetooth: Android & iOS supported
• GPS Remote Control: Supported
• Communication Ports: RS485 / CAN (customizable)

Physical Specifications

• Size: 162 × 102 × 20 mm
• Output Cable Type: Same port design

Environmental Conditions

• Operating Temperature: -30°C to +70°C
• Input Voltage Requirement: 20V – 100V
• Power Consumption:
 • Balanced State: 8mA @ 100V
 • Unbalanced State: 7mA @ 100V

Applications

• Solar power storage systems
• High power lithium battery packs
• Electric vehicles / e-bikes
• Base station backup systems
• Shared mobility systems
• Small electric vehicles / sightseeing cars