Features: 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 visibility of power generation. MPPT auto-focusing technology enables efficient charging with real-time detection and two-way focusing tracking. Large LCD display allows adjustable charging and discharging parameters. Ultra-wide charging and discharging range can be customized based on battery characteristics and corresponding charging parameters. Output can be turned off as needed. Time settings in minutes and hours 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. Controller automatically resumes operation after fault conditions are resolved without damage to the unit. Specifications: Material: Fireproof shell with 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 in monitor displays, the image may not reflect the actual color of the item. Package includes: 1 x Solar Charging Controller