Originally Posted by motordavid

Not an exact comparo, but our '01 3.0, with a 2 month old newly installed batt, may take up to a solid 'overnight' to get back to green using my ol'Battery Tender.

This comes after some up and down our mtn/local driving. Same goes for our '02 Vette.

The arithmetic is nice but most good low amp chargers don't 'lie', and it takes what it takes to get back to green. Otoh, once up to green, it floats along nicely and barely comes on again, with charger in place.
GL, mD