The BettSun 100A-120A MPPT Solar Charge Controller enhances solar system efficiency with its high-performance DSP. It automatically detects battery voltages from 12V to 48V, featuring Voltage LOCK for consistent settings. Ensuring precise charging with ±0.1V accuracy, it’s compatible with all battery types. The controller offers remote app management, an intuitive LCD display, and advanced protections for safe, optimized performance.