1. Advanced MPPT maximum power point tracking technology with a maximum efficiency of 98%, helping to optimize solar panel energy utilization and reduce system costs. 2. High-quality components ensure reliable performance and deliver a maximum conversion efficiency of 97%. 3. Ultra-fast maximum power point tracking ensures high efficiency under varying sunlight conditions. 4. Equipped with a 4-digit digital display that shows real-time data including solar panel voltage, charging current, and battery voltage for clear monitoring of charging status. Allows users to manually set battery voltage and charging parameters. 5. Wide operating voltage range for the photovoltaic array: 12V50V, compatible with 24/36/48/60/72V battery systems. 6. Direct parameter display provides dynamic monitoring of equipment operation, including solar input voltage, charging current, and battery voltage. 7. Utilizes power directly from solar panels; standby power consumption is zero. The unit does not operate at night. 8. Supports manual setting of battery voltage and charging parameters via buttons. Compatible with various battery types, including lithium-ion, LiFePO4, nickel-metal hydride, lead-acid, and gel batteries. 9. Includes a child lock function to prevent accidental changes to settings due to unintended button presses. 10. Connect the battery first, using the included fuse to protect against overcurrent. Observe correct polarityreverse connection may blow the fuse. Features: MPPT high-efficiency charging technology with up to 97% charging efficiency. Overvoltage, overcurrent, reverse polarity, and short-circuit protection for enhanced safety and durability.