I think you're supposed to get around 400 hours worth! :S
Hmm I've emaild P2m as Im not happy anyway. So I'll let you know.
Yes, go to the powermeter in the headunit, then about and under about you should be able to see a if it says good or low. Sadly no % figure.
Thanks for the tip (although it appears to be a bit useless!)
Will be interesting to see what p2m say, less than half predicted life is pretty poor.
@skinny started
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I think you're supposed to get around 400 hours worth! :S