Features: Brand new and high quality Industrial-grade main control chip with 16-level AD sampling accuracy. Temperature, charging current, and discharging current are accurately displayed in real time, providing clear power generation monitoring. MPPT auto-focusing technology for tracking charging with high charging efficiency, real-time detection during charging, and two-way focusing tracking. Large LCD display with adjustable charging and discharging parameters. Ultra-wide charging and discharging settings can be customized. As long as the battery characteristics and corresponding charging parameters are known, it can be used to charge the battery, and the output can be turned off. Time settings in minutes and hours are adjustable for added convenience. Complete three-stage charge management to effectively protect the battery and extend battery life. Built-in protection against overheat, overcurrent, short circuit, and reverse connection. When the fault is cleared, the controller automatically resumes operation without damage. Specifications: Material: Fireproof shell + aluminum plate Voltage: 12/24V Current: 30A/40A/50A/60A/80A/100A Size: Approx. 168x95 mm / 6.61x3.74 inches Note: 1. Please allow 1-2 cm errors due to manual measurement. Ensure you are comfortable with this before ordering. 2. Due to differences between monitor displays, the picture may not reflect the actual color of the item. Package includes: 1 x Solar Charging Controller