VEVOR 20A MPPT Solar Charge Controller, 12V / 24V Auto DC Input, Solar Panel Regulator Charger with LCD Display Temperature Sensor Cable, for Sealed(AGM), Gel, Flooded and Lithium Battery Charging20A MPPT Solar Charge ControllerWidely ApplicableEasy to Use & ControlHigh StabilityComprehensive Protection FunctionsConvenient Remote MonitoringPackage Dimensions: 270 x 197 x 105 mm / 10.63 x 7.76 x 4.13 inches,Operating Temperature Range: -20°C to 50°C/-4°F to 122°F,Applicable Battery Voltage(DC):12V/24V Auto,Product Dimensions: 210 x 150 x 60 mm / 8.27 x 5.91 x 2.36 inches,Rated Input Power: 12V/260W; 24V/520W,MPPT Control Efficiency: ≥98%,Item Model Number: ML2420,External Communication: RS232 Interface, External Bluetooth Control Module (optional),Product Net Weight: 1.2 kg / 2.65 lbs,Charging Modes: Fast Charge, Balance, Float Charge,Solar Panel Open Circuit Voltage: Max. 100V DC,Charging Current(DC): Max. 20A,Main Material: ABS+PC