JK SMART BMS 200A 8S, 2A ACTIVE BALANCE LITHIUM BATTERY MANAGEMENT SYSTEM

6 MONTHS WARRANTY

JK-B2A8S20P SMART ACTIVE BALANCE BMS 200A 3S–8S WITH BLUETOOTH

This smart BMS is designed for low-voltage lithium battery packs with high current capacity and advanced active balancing. It supports Li-ion, LiFePO4, and LTO batteries with real-time monitoring, Bluetooth connectivity, and adjustable protection settings, making it ideal for solar systems and high-power battery applications.

Features

• Active balance technology (Full-time balancing)
• High balance current up to 2A
• 200A continuous charge & discharge
• Bluetooth monitoring (Android & iOS)
• Built-in coulomb counter
• High precision voltage monitoring
• Adjustable protection parameters
• Temperature protection
• Short circuit protection
• RS485 communication (default)
• Optional CANBUS interface
• Compact industrial design

Battery Support

• Li-ion: 3S – 8S
• LiFePO4: 4S – 8S
• LTO: 6S – 8S

Electrical Specifications

• Continuous Charge Current: 200A
• Continuous Discharge Current: 200A
• Max Discharge Current (2 min): 350A
• Active Balance Current: 2A
• Main Circuit Resistance: 0.3mΩ
• Single Cell Voltage Range: 1V – 5V
• Voltage Accuracy: ±5mV

Protection Settings (Adjustable)

• Over Charge Protection Voltage: 1.2V – 4.35V
• Over Charge Release Voltage: 1.2V – 4.35V
• Over Discharge Protection Voltage: 1.2V – 4.35V
• Over Discharge Release Voltage: 1.2V – 4.35V
• Over Current Protection: 10A – 200A adjustable
• Over Current Detection Delay: 2s – 120s adjustable
• Short Circuit Protection: Yes

Temperature & Safety

• Temperature Sensors: 3 pcs
• Temperature Protection: Yes
• Stable and safe battery operation

Communication

• Bluetooth: Supported (Android & iOS APP)
• Coulomb Counter: Supported
• Default Interface: RS485
• Optional Interface: CANBUS / HEAT

Physical Specifications

• Size: 153 × 136 × 18 mm
• Wiring Type: Common port (charge & discharge same port)

Applications

• Solar battery storage systems
• 12V / 24V lithium battery packs
• Electric vehicles / e-bikes
• Backup power systems
• High current DIY battery systems
• Energy storage and inverter systems