Morningstar - TriStar TS-MPPT-30, 30 Amp MPPT Charge ControllerMorningstar TriStar TS MPPT 30, 30 Amp MPPT Charge Controller SKU: TS 30 MPPT The Morningstar TriStar TS MPPT 30 controller's advantage over traditional controllers is higher energy harvesting from the solar array, achieved by pulling the energy out at a much higher voltage. You can wire the solar array at 150VDC to charge a 12, 24 or 48V battery. This also allows the array cable to be smaller, the array to be placed further away and higher voltage