How long does an AGM Battery Last?
We purchased an '09 TT a few weeks back. The battery is a 4D Powerstride Lifeline AGM that seems to be working well and is clean. I have no idea when it was installed, but I've got to assume that it'...
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I wonder how a BAD battery is built ? Most all the batteries that I have had fail, (a bunch) appeared to be fully charged, and actually were fully charged.
They stood at 12.7-8 state of charged, burned a 12v lite bulb very brightly, but when hooked to a load tester, they instantly drop to 0 - 5 volts. I'd really like to internally see what takes place in that situation.
Dadgummit, off topic again !!
Edit........
I have had super good luck w/ house deep cycle batteries, and not because I don't cycle them.
They stood at 12.7-8 state of charged, burned a 12v lite bulb very brightly, but when hooked to a load tester, they instantly drop to 0 - 5 volts. I'd really like to internally see what takes place in that situation.
Dadgummit, off topic again !!
Edit........
I have had super good luck w/ house deep cycle batteries, and not because I don't cycle them.
