Blue Sky Solar Boost 50 MPPT 12/24VDC 50A Controller with LCD Remote
Blue Sky 50 amp 12/24vdc MPPT solar charger with remote display, 500 amp shunt and manual. Up to 57VDC input voltage and selectable output for 12 or 24VDC battery systems at a full 50 amps. Used on my houseboat and completely functional when removed. Reason it was replaced was to install a 100 amp system.