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, making power generation clearly visible at a glance. MPPT auto-focusing technology tracks charging with high efficiency, detects during charging, and supports two-way focusing tracking. Large LCD display with adjustable charging and discharging parameters. Ultra-wide charging and discharging parameters can be adjusted as long as the battery characteristics and corresponding charging parameters are known. Output can be turned off. Time settings in minutes and hours for added convenience. Complete 3-stage charge management to effectively protect the battery and extend battery life. Built-in protection against overheat, overcurrent, short circuit, and reverse connection. Automatically resumes operation after fault is cleared without damaging the controller. 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: - Please allow 1-2cm errors due to manual measurement. Ensure you are comfortable with this before ordering. - Due to differences between monitors, the image may not reflect the actual color of the item. Package includes: 1 x Solar Charging Controller