Hi

I have an 03 sti type uk and as I dont use it that often it stays in the garage a lot of the time. After about 8 days the battery is losing all charge and needs to be fully charged again.
Is this normal or is the batter u/s?

If I have to buy a new battery is there a particular make I should go for, and are calcium batteries better than lead?
Is a standard halfords battery ok? as I have been looking at a Braile carbon fibre one, but cant help but think its a little pointless have one at the price they want for it.

 

My car is not used for most of the week, It kept losing its charge, So i got a Bosch silver top from halfords, I think it was £120 ish, A bit expensive, ha ha. But it seems to have done the trick