JK 24S 40A Smart BMS with 400mA Active Balancing
Compact, Smart & Safe Battery Management System
The JK 24S 40A Smart BMS is a compact yet highly intelligent BMS solution for managing lithium-ion and LiFePO4 batteries, this model supports real-time monitoring via Bluetooth, active balancing, and advanced protection features to ensure long battery life and safety.
Reliable Active Balancing Performance
With 400mA active balancing current, the system balances voltage differences across battery cells, ensuring that each cell contributes equally. This enhances the overall performance, increases cycle life, and improves battery efficiency up to 99%.
Advanced Protection Functions
The JK 40A BMS comes with overcharge, over-discharge, overcurrent, short-circuit, and low-temperature charging cutoff protection. These features provide peace of mind in both industrial and DIY setups.
Bluetooth Monitoring with JK Mobile App
Use the official JK BMS App to connect via Bluetooth and access detailed real-time data such as individual cell voltage, current, temperature, SoC, and more — all from your smartphone (Android & iOS supported).
Key Features & Specifications
- Model:Â JK-BD4A24S4P
- Battery Cell Support:Â 4S, 8S, 16S, 24S (12V / 24V / 48V / 72V systems)
- Rated Current:Â 40A Continuous
- Balance Type:Â Active Balance
- Balance Current:Â 400mA
- Bluetooth:Â Built-in (App-supported)
- Protections:Â Over-charge, Over-discharge, Overcurrent, Short Circuit, Low Temp Charging Cutoff
- Compatibility:Â Li-ion / LiFePO4
- Weight:Â 800g
Applications
- DIY Power Walls
- Solar Energy Storage Systems
- Electric Bikes & Scooters
- Backup Power Systems
- Off-Grid 12V / 24V / 48V / 72V Setups
Frequently Asked Questions (FAQs)
Q1: Is the JK 24S 40A BMS suitable for LiFePO4 batteries?
A1: Yes, it is compatible with LiFePO4 and Li-ion batteries across 12V to 72V systems.
Q2: Does it support real-time monitoring?
A2: Absolutely, the built-in Bluetooth connects to the JK App for complete battery data and control.
Q3: Can it actively balance batteries while charging?
A3: Yes, the 400mA active balancing is continuous and works to optimize cell voltage throughout operation.
Q4: What happens if a cell gets too hot?
A4: Over-temperature protection shuts off the system automatically to prevent damage.
Package Includes
- 1 x JK 24S 40A Smart BMS (Active Balancing)
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