Victron Energy CYRIX-CT 12/24V-120A Intelligent Battery Combiner One Size. Cyrix Battery Combiners are an excellent replacement for diode isolators. 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. Please contact your dealer for any returns repairs or support issues related to this product. Package Contents: Victron Energy CYRIX-CT 12/24V-120A Intelligent Battery Combiner Victron Energy CYR010120011R: CYRIX-CT 12/24V-120A Intelligent Battery Combiner One Size