Morningstar TS-MPPT-30 TriStar 30 Amp MPPT Solar Controller with Maximum Power Point Tracking, Better Peak Power Point Tracking than Other MPPT Controllers, Very Fast Sweeping of the Entire I-V Curve Recognition of multiple power points during shading or mixed PV arrays Excellent performance at sunrise and low solar insolation levels Parallel circuit design provides less stress and longer life for electronic components Extensive electronic protections including PV short circuit protection Selected electronic devices with higher ratings to minimize losses from heating