On board reverse connection warning to alert when the battery is connected incorrectly On board battery protection circuit Anti overcharge Anti overdischarge Anti overcurrent Anti short circuit Anti reverse connection Balanced charging for stable operation Wired interfaces for easy integration Multiple interfaces are led out through wires Designed for integration into trolley design and industrial control equipment Monitoring and real time detection I2C interface for reading battery current, power and remaining capacity Real time detection of the module operating status Use scenarios Mobile trolley systems requiring reliable battery protection and safety warnings during installation and operation Industrial control cabinets with battery backup needing real time monitoring of current, power and remaining capacity Robotics, automated material handling, or other equipment that benefits from safe charging, protection features and real time module status via I2C