The PUOLOP PT4056 is an ESOP-8 RoHS battery management system with PMIC Battery Management capabilities. This system is designed to provide a complete charge-discharge system for Li-ion batteries or cells. It features integrated overvoltage protection, long-term storage protection, cell balancing, charge status monitoring, and temperature protection. The system is optimized for high efficiency and low power operation, allowing the system to manage and extend the cell cycle life. The PT4056 utilizes advanced pulse charging and cell balancing technology to efficiently balance cells for optimal performance. This system also supports cell balancing charge, discharge, and protection. The system includes an integrated watchdog timer, and the outputs are optimized to reduce total system cost. The system is RoHS compliant and provides a high degree of reliability and safety.