Double MOS LCD Display PWM Solar Charge Controller Advanced 12V/24V 30A three-phase PWM solar charge controller with LCD display for efficient solar power management. Product Features Compatible with three battery types: Lead Acid, Lithium Ion, and Lithium Iron Phosphate Large LCD screen with fully customizable charging and discharging parameters; power-off memory retains the last setting Three-phase PWM charge management: constant current, constant voltage, and floating