The B117 12S Lithium Battery Management System provides comprehensive charge and discharge protection for 3-series ternary lithium batteries. Featuring a same-port interface design with maximum 5A working current, this BMS board ensures reliable battery performance and safety.

• Same-port interface design for simplified wiring
• Temperature detection port (NTC) for thermal protection
• High-performance chips and quality components ensure stable operation
• Rapid response function for effective battery safeguarding
• Customizable voltage and balanced current settings
• OEM/ODM services available with flexible customization

Electric bicycles, motorcycles, e-bikes, wheelchairs, tricycles, low-speed vehicles, electric tools, start-up power systems, and energy storage power applications.

• Requires basic electronics technical expertise for installation
• Connect B- wire first using short, thick wire to battery negative terminal
• Use thick wires for P+/P- connections to prevent board damage
• Ensure proper soldering and secure connections for optimal performance

All products undergo 100% professional laboratory testing and repeated aging tests. We provide 3-year after-sales warranty service with free replacement spare units within the warranty period.