Victron CYRIX CT 12 24V 120A Intelligent Battery Combiner [CYR010120011R] Marine Plumbing & Ventilation Blowers & Heaters Using the mist setting on Oil Temperature Using the mist setting on the spray head XD Telescoping Aluminum Outrigger Poles The main feature is that there is virtually no voltage loss so the output voltage of alternators or battery chargers does not need to be increased The Cyrix Battery Combiner is a microprocessor controlled heavy duty relay that automatically connects batteries in parallel when one of them has reached a pre set voltage (indicating that the battery is being charged) and disconnects when the voltage decreases below float level (indicating that one or more batteries are being discharged)