... 12/24V 10/15A solar energy regulatorMPPT15 15A solar controller (also known as intelligent solar charge controller, solar charge controller, PV controller ... can intelligently regulate the working voltage of solar panels,letting the solar panels always work at Maximum Power Point of ... 12V series, 24V series and 48V series. MPPT advantage:solar energy products Maximum Power Point Tracking (MPPT in short ...