Features: Brand 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 efficient tracking charging, enabling high charging efficiency, real-time detection during charging, and two-way focusing tracking. Large LCD display with adjustable charging and discharging parameters. Ultra-wide range of adjustable charging and discharging settings; as long as the battery characteristics and corresponding charging parameters are known, it can be used to charge the battery, with output turned off when needed. Time settings in minutes and hours are available 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. Once the fault is cleared, the controller automatically resumes operation without damage. Specifications: Material: Fire-resistant shell + aluminum plate Voltage: 12/24V auto-detect Current: 30A/40A/50A/60A/80A/100A Size: Approx. 168 x 95 mm (6.61 x 3.74 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 image may not reflect the actual color of the item. Package includes: 1 x Solar Charging Controller