Hmmm, finish night shift, walk to the car park, start car, turn on seat warmers, spend 5 minutes scraping the ice from the windscreen with an ID card, finally leave for home with a warm bum! :cool:
If it was a common issue, you'd read all about it in this forum.
Might be something to do with the new battery installation if it wasn't doing it before then.
Have you checked all of the wiring to, and around the battery?
Do they have versions for VE's and VF's?
I'm really happy with the performance of the LED high beams in my Redline and Magnum.
Not that I use high beam much, the HID low beams really work well!