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: JK-BD4A24S4P
• Battery Cell Support: 4S, 8S, 16S, 24S (12V / 24V / 48V / 72V systems)
• Rated Current: 40A Continuous
• Balance Type: Active Balance
• Balance Current: 400mA
• Bluetooth: Built-in (App-supported)
• Protections: Over-charge, Over-discharge, Overcurrent, Short Circuit, Low Temp Charging Cutoff
• Compatibility: Li-ion / LiFePO4
• Weight: 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)

Package Includes

• 1 x JK 24S 40A Smart BMS (Active Balancing)