Upgrade your lithium battery system with the JK-B1A8S10P Smart Active Balancer BMS
Designed for 4S to 8S battery packs, this advanced Battery Management System features 1A active balancing, 100A charge/discharge current, Bluetooth monitoring, and LCD display support
Perfect for solar batteries, UPS systems, RVs, EV projects, backup power systems, and DIY lithium battery packs
Key Highlights
✅ 100A Continuous Charge & Discharge Current
Tip: Scroll inside the gallery to browse all images.
Product Description
Short Description
Upgrade your lithium battery system with the JK-B1A8S10P Smart Active Balancer BMS. Designed for 4S to 8S battery packs, this advanced Battery Management System features 1A active balancing, 100A charge/discharge current, Bluetooth monitoring, and LCD display support. Perfect for solar batteries, UPS systems, RVs, EV projects, backup power systems, and DIY lithium battery packs.
Key Highlights
✅ 100A Continuous Charge & Discharge Current
✅ 1A Active Balancing Technology
✅ Supports 4S-8S Battery Packs
✅ Bluetooth App Monitoring
✅ LCD Display Compatible
✅ Smart Cell Voltage Protection
✅ Overcharge Protection
✅ Over-Discharge Protection
✅ Overcurrent Protection
✅ Short Circuit Protection
✅ Temperature Monitoring Support
✅ Compatible with LiFePO4, Li-ion & LTO Batteries
✅ Improves Battery Life & Performance
✅ Ideal for Solar & UPS Battery Systems
Product Features
Advanced Active Balancing
Built-in 1A Active Balancer continuously transfers energy between cells to maintain voltage balance, increasing battery efficiency and lifespan.
Smart Bluetooth Monitoring
Monitor battery status directly from your smartphone using the JK BMS mobile application.
LCD Display Support
Compatible with JK LCD displays for real-time monitoring of voltage, current, SOC, temperatures, and alarms.
Complete Battery Protection
Provides multiple layers of protection:
•Overcharge Protection
•Over-Discharge Protection
•Overcurrent Protection
•Short Circuit Protection
•Temperature Protection
•Cell Voltage Imbalance Protection
Wide Battery Compatibility
Supports:
LiFePO4 Batteries
Lithium-Ion Batteries
LTO Batteries
Reliable Performance
Engineered for solar energy storage systems, UPS backup batteries, electric vehicles, and custom battery projects.
JK-B1A8S10P Technical Specifications
Model: JK-B1A8S10P
Battery Type: LiFePO₄ / Li-ion / LTO
Supported Cell Series: 4S–8S
Nominal Battery Voltage: 12V / 24V
Max Continuous Charge Current: 100A
Max Continuous Discharge Current: 100A
Active Balancing Current: 1A
Communication: Bluetooth, CAN, RS485
Mobile App: Android & iOS
PC Software: Supported
Protection Functions: Over Charge, Over Discharge, Over Current, Short Circuit, Over Temperature
Frequently Asked Questions
The JK-B1A8S10P is a Smart Battery Management System (BMS) designed to monitor, manage, and protect lithium battery packs. It supports **4S to 8S battery configurations**, with a **100A continuous discharge rating** and **1A active cell balancing**.
2. How many cells does the JK-B1A8S10P support?
The JK-B1A8S10P supports **4S to 8S battery configurations**, making it suitable for 4, 5, 6, 7, or 8 cells connected in series, depending on the battery chemistry and required voltage.
3. Is the JK-B1A8S10P suitable for a 12V LiFePO4 battery?
Yes. The JK-B1A8S10P can be used with a **4S LiFePO4 battery pack**, which has a nominal voltage of approximately **12.8V**.
4. Is the JK-B1A8S10P suitable for a 24V LiFePO4 battery?
Yes. An **8S LiFePO4 battery** has a nominal voltage of approximately **25.6V**, making the JK-B1A8S10P suitable for this configuration when correctly configured.
5. What is the maximum continuous discharge current?
The JK-B1A8S10P is rated for **100A continuous discharge current**. Actual safe operating current also depends on the battery cells, wiring, terminals, temperature, and installation conditions.
6. What does 1A Active Balancing mean?
The **1A active balancing** function helps reduce voltage differences between individual battery cells. It transfers energy from higher-voltage cells toward lower-voltage cells to help maintain better cell balance.
Active balancing can help:
* Reduce voltage differences between cells
* Improve battery pack balance
* Make better use of available battery capacity
* Improve overall battery performance
* Maintain more consistent cell voltages
Yes. The JK-B1A8S10P is suitable for compatible lithium battery applications, including LiFePO4, when the correct battery chemistry, cell configuration, and BMS parameters are properly configured.
The JK-B1A8S10P can be used in various lithium battery applications, including:
* LiFePO4 battery packs
* Solar energy storage systems
* Inverter batteries
* Custom lithium battery packs
* Electric vehicles and EV applications
* Energy storage projects
Yes. It can be used in suitable **solar energy storage and inverter battery systems**, provided the battery configuration, current requirements, and BMS settings are compatible.
Yes. The JK-B1A8S10P can be used for suitable **electric bike and EV battery applications**. The battery voltage, motor/controller current, cell configuration, and BMS current rating should be matched correctly.
JK Smart BMS models may include Bluetooth monitoring and app functionality depending on the specific model and version. Please verify the communication features of the exact product version before purchase.
The BMS is designed to monitor and provide protection against abnormal battery conditions such as **over-voltage, under-voltage, over-current, and temperature-related conditions**, depending on the configured parameters and installation.
Yes, it can be suitable for a **100Ah lithium battery**. However, BMS selection should not be based only on Ah capacity. Battery chemistry, cell configuration, maximum charge/discharge current, and application requirements should also be considered.
No. The **1A balancing current** and **100A discharge current** are two different specifications.
The 1A rating refers to the active cell balancing function, while 100A refers to the BMS's rated continuous discharge current.
Before installation, carefully verify:
* Cell configuration
* Battery chemistry
* Balance wire sequence
* BMS negative connection
* Main power connections
* Insulation
* Current requirements
Incorrect wiring can damage the BMS or battery cells, so professional installation is recommended.
The BMS supports **4S–8S configurations**. The actual battery voltage depends on the battery chemistry.
For example, with LiFePO4:
* **4S = approximately 12.8V nominal**
* **8S = approximately 25.6V nominal**
Individual cells in a series battery pack can have slightly different voltage and capacity characteristics. Cell balancing helps maintain the cells at more similar voltage levels, which can improve battery pack performance and usable capacity.
Yes. The BMS can be used when building a new lithium battery pack, provided that the battery chemistry, series configuration, current requirements, and BMS settings are compatible.
Before purchasing a JK BMS, check:
* Battery chemistry
* Number of cells in series
* Battery voltage
* Battery capacity
* Maximum charging current
* Maximum discharge current
* Balancing current
* Inverter/controller requirements
* Communication requirements
The JK-B1A8S10P is suitable for users looking for a **100A Smart BMS with 1A active balancing** for compatible lithium battery applications, including solar storage, inverter batteries, EV projects, and custom LiFePO4 battery packs.
Many conventional BMS systems use passive balancing, which dissipates excess energy as heat. An active balancing BMS transfers energy between cells to help reduce cell voltage differences more efficiently.
23. What information should I provide when buying a BMS?
For the correct BMS selection, provide:
* Battery voltage
* Battery Ah capacity
* Cell chemistry
* Number of cells in series
* Maximum load current
* Charger current
* Inverter or controller model
* Application type
The JK-B1A8S10P is available for lithium battery applications in Pakistan. When purchasing, always verify the **exact model, 100A rating, 1A active balancing specification, and 4S–8S configuration** to ensure compatibility with your battery system.
