[cederholm]

Very helpful, thanks!

Originally Posted by Jim/GA

All-
Here's my "rule of thumb" for charging a Model A 6 volt battery:
To fully charge a dead battery, it takes 80 amp-hours to fully charge it.

What does that mean?

If you charge at 4 amps, it will take 20 hours. (80/4=20)

If you charge at 8 amps, it will take 10 hours.

I think you can figure it out from there.