Product Overview
The JK-BD4A8S6P is a high-performance Battery Management System (BMS) with an integrated active balancer, engineered for 4S to 8S LiFePO4, Li-Ion, and LTO battery packs. It improves pack reliability and lifespan by equalizing cell voltages and offering robust safety protections for demanding applications including solar energy storage, electric vehicles, backup power systems, and DIY battery builds.
Key Features and Benefits
Active Balancing Technology
- Transfers excess charge from higher-voltage cells to lower-voltage cells to maintain uniform cell voltage and maximize usable capacity.
- Reduces energy loss compared to passive balancing and extends overall battery cycle life.
Broad Battery Chemistry and Series Support
- Compatible with 4S to 8S battery strings.
- Supports LiFePO4, Li-Ion, and LTO chemistries for flexible application across renewable energy and mobility projects.
Comprehensive Safety and Protection
- Overcharge protection to prevent cell voltage exceeding safe limits.
- Over-discharge protection to avoid deep discharge damage.
- Overcurrent and short-circuit protection for system safety under fault conditions.
- Temperature monitoring and protection to ensure reliable operation in varying environments.
Real-Time Monitoring and Communication
- Accurate cell voltage and pack current monitoring to prevent degradation and support preventive maintenance.
- Optional Bluetooth and UART interfaces enable wireless monitoring, configuration, and integration with external controllers or mobile apps.
High Current Handling and Robust Design
- 60A continuous charge/discharge capability for medium- to high-power systems.
- Compact and durable construction using high-quality components for reliable long-term performance.
Technical Specifications
- Balancing Current: 0.4A
- Battery String: 4S-8S
- Charge/Discharge Current: 60A
- Chemistries Supported: LiFePO4, Li-Ion, LTO
Applications
- Solar energy storage systems: Improve battery lifespan and stability in off-grid and hybrid systems.
- Electric vehicles and e-bikes: Enhance pack efficiency and safety for smoother performance.
- Backup power and UPS systems: Reliable battery management for critical standby power.
- DIY battery packs: Ideal for custom packs used in renewable energy projects and hobbyist applications.
Installation, Compatibility, and Integration
- Designed for straightforward integration into new or retrofit battery packs with clear cell connection points.
- Optional UART allows integration with external controllers; Bluetooth enables mobile app-based monitoring.
- Recommended for users familiar with battery pack wiring and safety protocols; consult the datasheet or technical support for wiring diagrams and configuration guidance.
Why Choose the JK-BD4A8S6P BMS
The JK-BD4A8S6P provides precision battery management, combining active balancing with advanced protection and monitoring to reduce energy loss and extend battery life. Its flexibility across chemistries and series counts, together with optional wireless monitoring, makes it an excellent choice for professionals and DIY enthusiasts building reliable, high-performance battery systems.
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