Check the listing for details. 4000W 100A MPPT Solar Charge Controller 12V/24V/36V/48V Battery PV Regulator NEW. Color: Blue, Condition: New, Made in United States. Listed at 37.98 USD. Features: 【Superior MPPT Technology】 【Versatile Design】 【Comprehensive Voltage Protection】 【User-Centric Design】 【Diverse Battery Charging Options】 【Reliable warranty plan】 【Kindly be advised】 【Device startup reminder】 Specifications: Type: MPPT Solar Charge Controller Material: Plastic + Aluminum Alloy Product Size: 19.5*18.6*6.5cm / 7.68*7.32*2.56 inches Battery Voltage: 12V/24V/36V/48V Automatic Charging Current: 100A Maximum Solar Input (Voc): 15-25V (12V Battery); 30-50V (24V Battery); 45-75V (36V Battery); 60-100V (48V Battery) Maximum input power of photovoltaic panels: 1000W (12V), 2000W (24V), 3000W (36V), 4000W (48V) Maximum PV Input power: (100A)1200W (12V battery); 2400W (24V battery); 3600W (36V battery); 4800W (48V battery) Support Battery: Gel battery, Lead-acid batte.