The JK-BD6A20S12P Smart BMS is a high-performance 120A Active Balance Battery Management System designed for 8S–20S lithium battery packs
It features Bluetooth connectivity, LCD Display support, and intelligent battery protection for LiFePO4, Lithium-ion and LTO batteries
Ideal for solar energy storage, electric vehicles, backup power systems and DIY lithium battery projects
Product Highlights
✅ Model: JK-BD6A20S12P
Tip: Scroll inside the gallery to browse all images.
Product Description
Short Product Description
The JK-BD6A20S12P Smart BMS is a high-performance 120A Active Balance Battery Management System designed for 8S–20S lithium battery packs. It features Bluetooth connectivity, LCD Display support, and intelligent battery protection for LiFePO4, Lithium-ion and LTO batteries. Ideal for solar energy storage, electric vehicles, backup power systems and DIY lithium battery projects.
Product Highlights
✅ Model: JK-BD6A20S12P
✅ Smart Active Balance BMS
✅ 8S–20S Battery Support
✅ 120A Continuous Charge & Discharge
✅ 0.6A Active Balance Current
✅ Bluetooth APP Monitoring
✅ LCD Display Support
✅ Supports LiFePO4 / Li-ion / LTO Batteries
✅ Intelligent Battery Protection
✅ Easy Installation
Product Features
* 0.6A Active Cell Balancing Technology
* 120A Continuous Charge & Discharge Current
* Supports 8S–20S Battery Packs
* Bluetooth Mobile App Monitoring
* LCD Display Compatible
* Real-Time Battery Voltage Monitoring
* Individual Cell Voltage Display
* Battery Temperature Monitoring
* Battery SOC (State of Charge) Display
* High Precision Cell Voltage Detection
* Low Power Consumption
* Long Service Life
* Professional Grade Battery Protection
Technical Specifications
* Model: JK-BD6A20S12P
* BMS Type: Smart Battery BMS
* Battery Type: LiFePO4 / Li-ion / LTO
* Battery Strings: 8S–20S
* Charge/Discharge Current: 120A
* Balance Method: Active Balance
* Balance Current: 0.6A
* Communication: Bluetooth
* Display: LCD Display Supported
* Monitoring: Mobile App + LCD
* Application: Solar, EV, Energy Storage, Backup Power
Protection Functions
* Over Charge Protection
* Over Discharge Protection
* Over Current Protection
* Short Circuit Protection
* Temperature Protection
* Cell Voltage Protection
* Automatic Cell Balancing
* Reverse Connection Protection
Frequently Asked Questions
The JK-BD6A20S12P is a Smart Battery Management System (BMS) designed to monitor, manage, and protect compatible lithium battery packs. It supports 8S to 20S battery configurations and features 0.6A active cell balancing.
The JK-BD6A20S12P supports 8S to 20S battery configurations, making it suitable for battery packs with 8 to 20 cells connected in series, depending on the battery chemistry and required voltage.
Yes. An 8S LiFePO4 battery has a nominal voltage of approximately 25.6V, making the JK-BD6A20S12P suitable for compatible 24V-class LiFePO4 battery systems.
Yes. A typical 16S LiFePO4 battery has a nominal voltage of approximately 51.2V. Since the JK-BD6A20S12P supports 16S, it can be used for compatible 48V-class LiFePO4 battery systems.
Yes. Depending on the battery chemistry and series configuration, its 8S–20S support range allows it to be used with various higher-voltage lithium battery packs.
The 0.6A active balancing function helps reduce voltage differences between individual cells by transferring energy between cells. This helps maintain a more balanced battery pack.
The 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
Support better long-term battery management
Yes. The JK-BD6A20S12P can be used for compatible LiFePO4 battery applications, provided that the correct battery chemistry, series configuration, and BMS parameters are selected.
The BMS can be used in compatible lithium battery applications, including:
LiFePO4 battery packs
Solar energy storage systems
Inverter batteries
Home energy storage
Higher-voltage lithium battery systems
EV and electric vehicle batteries
Custom lithium battery packs
Yes. It can be used in compatible solar energy storage and inverter battery systems, provided that the BMS current rating and other specifications match the requirements of the battery system.
Yes, where the battery voltage, current requirements, and BMS specifications are compatible. The 8S–20S support range makes it suitable for various higher-voltage electric mobility and custom lithium battery applications.
JK Smart BMS models may include Bluetooth monitoring and mobile app functionality depending on the exact model and version. Please verify the communication features of the specific product version before purchase.
The BMS is designed to monitor and protect compatible battery systems against abnormal conditions such as over-voltage, under-voltage, over-current, and temperature-related conditions, according to the configured parameters and product version.
The BMS supports 8S to 20S configurations.
For LiFePO4 batteries, examples include:
8S = approximately 25.6V nominal
16S = approximately 51.2V nominal
20S = approximately 64V nominal
Individual cells connected in series can develop differences in voltage and state of charge. Active balancing helps reduce these differences by transferring energy between cells, helping the battery pack operate more consistently.
The appropriate balancing current depends on the cell capacity, cell matching, battery configuration, and application. The 0.6A active balancing of the JK-BD6A20S12P is suitable for compatible battery packs where this balancing level meets the application's requirements.
Yes. It can be installed in a new compatible lithium battery pack. The battery chemistry, series cell count, current requirements, wiring, and BMS settings must be correctly matched.
Before purchasing, provide:
Battery chemistry
Battery voltage
Number of cells in series
Battery Ah capacity
Maximum load current
Maximum charging current
Inverter or controller model
Application type
The JK-BD6A20S12P is suitable for users looking for a Smart BMS with 0.6A active balancing and 8S–20S support for compatible lithium battery systems, including solar storage, inverter batteries, EV applications, and custom LiFePO4 battery packs.
You can purchase the JK-BD6A20S12P 0.6A Active Balancer 8S–20S 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-BD6A20S12P model, 0.6A active balancing, and 8S–20S configuration, along with the BMS current rating, to ensure compatibility with your lithium battery system.
