Dead battery- what could it be?

[MikeMcMo]

Originally Posted by KevinH1990

The common wisdom is that AGM (absorbent glass mat) batteries withstand periods of limited use better than traditional lead acid batteries. I don't drive my Boxster every day. Some weeks I might drive it 3 times and other weeks as much as 5 times.

Thanks for that, good to know! But I heard you can't use a regular charger to bring an AGM battery back to life...