View Single Post
Old 11-05-2012, 08:49 AM   #6
Bill Harris
Confirmed Curmudgeon
 
Bill Harris's Avatar
 
Joined: Sep 2008
Location: backwoods Alabama
Oddometer: 5,886
Remember, the open-circuit ("resting") voltage of a lead-acid battery is an indicator of the state of charge. The 12.85V you measure is close to 100% charge.



And once you get down to 12V, it's at half charge.

--Bill
__________________
'73 R60/5 Toaster
Luddite. Not just a philosophy, a way of life...
Bill Harris is offline   Reply With Quote