- MPPT power point tracking function to greatly improve the efficiency of solar energy conversion. - PD/QC/PE/SFCP and other protocol outputs, with MPPT tracking and multiple protection circuits, for efficient, stable, and safe operation in solar power generation, low-power IoT and other green projects. - Power management module compatible with 6V-24V solar panels; can charge 3.7V rechargeable and dischargeable batteries through solar panels or a Type-C interface; provides 5V/3A regulated output. Use scenarios - Off grid solar powered sensor networks: 6V-24V panels harvest energy, MPPT improves efficiency, charges 3.7V batteries, and provides 5V via Type-C or output to low-power IoT devices. - Portable solar charger for 3.7V batteries: connects to solar panels or Type-C input, charges 3.7V rechargeable batteries and delivers a stable 5V/3A output for small electronics. - Green project demonstrations and microgrid experiments: compact power management module supports solar input, battery storage, and regulated output for educational or hobbyist solar setups.