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Old 11-27-2014, 12:31 PM   #4
Timco
I am my own mechanic....
 
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Join Date: Feb 2013
Location: Salt Lake City, UT
Posts: 3,433
Quote:
Originally Posted by Joe B View Post
If you just recharged the battery that went dead and are still using it, it may no longer be capable of holding a charge. I'd take it to an auto parts store that can do a load test on it. You may have to replace it. I find that my battery doesn't like to be left without being charged for more than about 2 weeks, or it drops to around 12 or fewer volts.
My charger said 25% when hooked up and said full charge in about 20-30 min at 10A fast charge. Seems odd, like it only has the top end.

Just check voltage with car running and batt unhooked to get alt voltage?
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