Battery issue or normal behaviour ?

[gedo]

With holidays and what have you my car has sat for 1 month in the garage. Was going to use it for work today and the battery was flat. On the charger now but I was wondering if this was normal ? My Z3 used to cope with this length of un-use and I only used the trickle charger during winter. Was wondering if the alarm would be a factor ?


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[maxman]

If your battery is the original one ,I think you are asking a lot of it.
If mine is not been used in a two week period It would be left on a trickle charge.

[sk93]

depending on the age and condition of the battery, I wouldn't say it's unexpected.
my old original battery would die after three weeks of inactivity.

however, I've left my car with a new battery fitted for 4 weeks without an issue...

[Zonder]

You can check with a volt meter to determine if there is a problem with the battery but I can't remember what to look for am sure someone will post the info

But I would expect it to be flat or only just turning it over if an original battery. Prob nothing to worry about and like mentioned if leaving it for a while use a trickle charger.