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I don't drive my car very often. Went out a couple of weeks ago and the battery was dead. No warning. Bought a new battery and again it has gone dead. Can't even jump it off! My roommates dad says it is a bad battery. Any other things to look for? Thanks!
 

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Would check to see what the voltage reading is across the battery terminals while the engine is running
Want to see around 14.5 volts ... charging.

Then maybe put an ammeter in line with the battery .. to see if there is a parasitic drain
Any current in greater than 50 mA is excessive
And could be the cause of your battery failures??

Good luck
 
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