Check the listing for details. Y&H 20A MPPT Solar Charge Controller 12/24V Battery Regulator Max PV Input 75VDC. Color: White, Condition: New. Listed at 32.99 USD. Y&H 20A MPPT Solar Charge Controller 12V/24V Battery Regulator Max PV Input 75VDC Overview： Thank you for choosing Y&H MPPT Solar Charging Controller.Maximum power point of the PV array can be quickly tracked in any environment so that it can get the maximum energy from the solar panel and utilization of energy in solar system can be improved significantly. It can be used in communication base station, home power supply system traffic light,solar street lamp, courtyard lamp system, etc. It comes with a number of outstanding features, such as:100% MPPT technologyBuilt-in DSP controller with high performanceeasy installation, easy setupAutomatic switch for 12V/24V battery bank3-stage charging optimizes battery performanceOver-voltage protection, over-current protection, short-circuit protection, over-temperature protection.Various load control modes: light control mode, dual time mode, pure charger mode and timing mode.fit for Seal, GEL, Flooded, LifePO4 and Li(NiCoMn)O2 charging process can be selected.The function of battery temperature compensation. The function of power statistics recording. TECHNICAL SPECIFICATIONSRated charge current20ASystem rated voltage12V-24V AUTO WORKVoltage range of battery8V-32VMax open voltage of PV module