Dead battery


#1

battery started immed with jump, ran it for half hour, drove abt 2 miles, parked. 6 hrs later it was dead again. Is battery dry or???


#2

It could be dry. If you don’t know how to check for that, then you likely will not be able to safely refill it. If it is dry there is a reason so likely there is another problem, like a regulator running too high a voltage. It also could be a problem with the charging system or just an old battery (how old is yours) or it might be a “dark” drain, which means something is using more than normal current when the engine is not running.

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#3

Do the simple stuff, first. Disconnect the battery cable, file, sand, or scape the battery posts and the contacting parts of the battery cables.


#4

Depending on its age the battery is more likely dead than dry. Take the car to a parts store and ask them to test the battery and the charging system. Most parts stores do this free. The half hour you ran the car isn’t enough to charge a weak battery, and if the battery is worn out no amount of charging will help it.