The JK-B2A24S30P Smart Active Balance BMS is a high-performance 300A Battery Management System designed for professional lithium battery packs
Featuring 2A Active Cell Balancing, Bluetooth APP connectivity, and LCD Display support, it ensures accurate cell balancing, real-time battery monitoring, and advanced safety protection
Compatible with 8S–24S LiFePO4, Li-ion, and LTO batteries, it is perfect for solar energy storage, inverter systems, electric vehicles, and i
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Product Description
Short Product Description
The JK-B2A24S30P Smart Active Balance BMS is a high-performance 300A Battery Management System designed for professional lithium battery packs. Featuring 2A Active Cell Balancing, Bluetooth APP connectivity, and LCD Display support, it ensures accurate cell balancing, real-time battery monitoring, and advanced safety protection. Compatible with 8S–24S LiFePO4, Li-ion, and LTO batteries, it is perfect for solar energy storage, inverter systems, electric vehicles, and industrial battery applications.
Product Highlights
✅ Model: JK-B2A24S30P
✅ Smart Active Balance Battery BMS
✅ 2A Active Cell Balancer
✅ 300A Continuous Charge & Discharge
✅ Supports 8S–24S Battery Packs
✅ Bluetooth APP Monitoring
✅ LCD Display Supported
✅ Compatible with LiFePO4 / Li-ion / LTO Batteries
✅ Real-Time Battery Monitoring
✅ Advanced Intelligent Protection System
Product Features
Advanced 2A Active Cell Balancing Technology
300A Continuous Charge & Discharge Current
Supports 8S–24S Battery Packs
Bluetooth Mobile APP Monitoring
LCD Display Compatible
Individual Cell Voltage Monitoring
Battery Pack Voltage Monitoring
Battery Temperature Monitoring
Accurate SOC (State of Charge) Display
High Precision Voltage Detection
Low Power Consumption Design
Fast Active Balancing for Longer Battery Life
Stable Industrial Grade Performance
Easy Installation & Configuration
Protection Functions
Over Charge Protection
Over Discharge Protection
Over Current Protection
Short Circuit Protection
Temperature Protection
Cell Over Voltage Protection
Cell Under Voltage Protection
Active Cell Balancing Protection
Reverse Connection Protection
Applications
Solar Energy Storage Systems
Hybrid & Off-Grid Inverters
UPS Backup Power
Electric Vehicles (EV)
Electric Bikes & Scooters
Golf Carts
RV & Camper Battery Systems
Marine Batteries
DIY Lithium Battery Packs
Industrial Energy Storage
24V, 36V, 48V, 60V, 72V & Higher Voltage Battery Packs
Frequently Asked Questions
The JK-B2A24S30P is a high-current Smart Battery Management System (BMS) designed for compatible lithium battery packs. It supports 8S to 24S battery configurations, with a 300A current rating and 2A active cell balancing.
The JK-B2A24S30P supports 8S to 24S lithium battery configurations, making it suitable for a wide range of battery voltage systems.
Yes. It can be used with compatible LiFePO4 (LFP) battery packs when the correct battery chemistry, series configuration and BMS parameters are selected.
Yes. An 8S LiFePO4 battery has a nominal voltage of approximately 25.6V, making this BMS suitable for compatible 24V-class LiFePO4 battery systems.
Yes. A typical 16S LiFePO4 battery has a nominal voltage of approximately 51.2V, and the JK-B2A24S30P supports 16S.
Yes. Its 8S–24S support range allows it to be used with various higher-voltage lithium battery configurations. The exact series count must match the battery chemistry and required voltage.
The JK-B2A24S30P is rated at 300A. Actual safe operating current depends on the battery cells, cables, busbars, terminals, connectors, temperature and complete system design.
The 2A active balancing function transfers energy between individual cells to help reduce voltage differences and maintain better balance throughout the battery pack.
The 2A active balancing function can help:
Reduce voltage differences between cells
Improve battery pack balance
Improve usable battery capacity
Maintain more consistent cell voltages
Improve overall battery performance
Provide effective balancing for high-capacity battery packs
No. The 2A active balancing current and 300A current rating are separate specifications. The 2A refers to cell balancing, while 300A refers to the BMS's rated current capability.
Yes. It can be used in compatible solar energy storage, inverter battery and high-current lithium battery systems, provided the battery and complete system are properly designed.
Yes. It can be used in compatible inverter battery systems. The inverter's maximum continuous and peak current requirements should be checked before selecting the BMS.
Yes. It can be used in compatible EV, electric bike and electric mobility battery applications where the voltage, chemistry and current requirements match the BMS specifications.
Yes. It can be suitable for a 300Ah lithium battery, provided that the battery cells and complete system can safely handle the required charging and discharging current.
Yes. Its 300A current rating and 2A active balancing make it suitable for many high-current and high-capacity lithium battery applications when properly configured.
The BMS supports 8S to 24S configurations.
For LiFePO4 batteries, common examples include:
8S = approximately 25.6V nominal
16S = approximately 51.2V nominal
20S = approximately 64V nominal
24S = approximately 76.8V nominal
Individual cells in a series-connected battery pack can develop differences in voltage and state of charge. Active balancing helps reduce these differences by transferring energy between cells.
Yes. The 2A active balancing function provides strong balancing capability and can be useful for compatible high-capacity lithium battery packs. The ideal balancing current depends on cell capacity, cell matching and battery configuration.
Yes. It can be installed in a compatible new lithium battery pack. The battery chemistry, series cell count, current requirements, wiring and BMS settings must be correctly matched.
The BMS is rated at 300A, but a 300A application requires the entire battery system to be designed for the required current. Battery cells, busbars, cables, terminals, connectors, fuses and thermal management must all be appropriately rated.
Yes. A 16S LiFePO4 battery is approximately 51.2V nominal, and the JK-B2A24S30P supports 16S. It can be suitable for a 51.2V 300Ah system when the battery cells and system current requirements are compatible.
Yes. A 20S LiFePO4 battery has a nominal voltage of approximately 64V, and the JK-B2A24S30P supports 20S.
Yes. A 24S LiFePO4 battery has a nominal voltage of approximately 76.8V, and the JK-B2A24S30P supports up to 24S.
The BMS can be used for compatible applications such as:
LiFePO4 battery packs
Solar energy storage
High-power inverter batteries
Home energy storage
EV batteries
Electric mobility systems
High-current lithium battery packs
Custom battery systems
You can purchase the JK-B2A24S30P 300A / 2A Active Balancer 8S–24S BMS from Voltpro Energy, subject to product availability.
Visit www.voltproenergy.com to check product availability, specifications and purchasing information.
When purchasing, always verify the exact JK-B2A24S30P model, 300A current rating, 2A active balancing and 8S–24S configuration to ensure compatibility with your lithium battery system.
