Recently released is the Schneider 80/600 MPPT solar regulator.
Charges upto 80 amps into batteries; therfore approx 4500 watts of solar on a 48 V battery system.
Solar voltage upto 600 volts. This means more panels per string with quicker and easier installations times & costs. Also lower cable losses and costs over greater distances when the solar panels are further away from battery system.