Anodized, marine-grade aluminum housing with built-in heat dissipation and stainless steel wire terminals with 1-inch conduit connections. Suitable for PV charging systems up to 7.5 kW at 72 VDC and up to 97% power conversion efficiency. Works in 12V, 48V, 60V or 72V charging applications. Specify your battery voltage when ordering and then set charge points via a PC interface.