That would be VI
, not V1... and did you not even try Vicor's website?
The -09 (-O9?) suffix doesn't seem to be current, but VI-251 means it has a 150VDC nominal input and a 12VDC output. Note that part number VI-25P
has a 13.8VDC output and therefore would be much better suited for use in an EV. All the VI converters have a provision for trimming the output voltage over a narrow range (+/- 10%) so you could get up to 13.2V on your 12V model but that still isn't enough to keep the 12V battery charged. I personally think relying on just a DC-DC converter for the 12V system in a vehicle is way too risky - at least use a small garden tractor battery so if/when the dc-dc finally blows up from the abuse you aren't stranded.