Battery Life

[Haydn W]

Just wondering what the average battery life we can expect on our cars, I bought my car coming up to 5 years ago now and the battery was fitted just before I bought it according to the dealer.
I store the car throughout the winter and connect a CTEK battery conditioner for the whole time, do you think my battery will be approaching the end of it's useful life ? It's a Bosch unit, many thanks.

[AMG Merc]

My longest have been 11years on a merc and the noble Is also 11 years and on its oem unit. Have had nothing less than 8 years.

[Haydn W]

That's encouraging, could be ok for a few more years with careful maintenance then, thanks.

[Ramble]

I've had the CTEK conditioner on mine for years & its still the original battery. Car is turning 10 this year.

[Haydn W]

Another impressive life span, that's great I am pleasantly surprised as I thought the position of the battery in the bowels of the engine bay would subject it to too much heat.