1. Advanced MPPT tracking technology, tracking efficiency up to 99%, compared with PWM, power generation efficiency increased by nearly 20% 2. LCD displays photovoltaic data and charts, simulates the power generation process 3. Multiple working modes, adapt to different working occasions 4. Wide PV input voltage range, convenient system configuration 5. Intelligent battery management function, extend battery life 6. 12V/24V/48V automatic identification, more flexible and convenient for users to use 7. Suitable for many different types of batteries 8. Optional RS485 communication port