Victron Orion-Tr Isolated DC-DC Charger Remote Cable: Reliable BMS Integration for Dual-Battery Systems Purpose-Built Remote Control for Isolated Orion-Tr Chargers The Victron Orion-Tr Isolated DC-DC Charger Remote Cable enables seamless integration between your Orion-Tr Isolated DC-DC charger and a secondary battery’s Battery Management System (BMS). In standard installations, the remote on/off circuit references the primary battery (such as a starter...