car battery - Car Troubleshooting


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Auto Repair Home>> Automotive Repair>> Car Troubleshooting

Guest
Anonymous Poster
musiclvr1956@yahoo.com

Apr 28, 2007, 11:28 PM

Post #1 of 3 (1951 views)

car battery	Sign In

I have a 2006 Camry with 7,000 miles. I left my key in the ignition in the "on" position for a few days (or longer) and when AAA came to jump my car about a week later they told me I needed a new battery. They have a battery tester, showed me the results and they put in a new battery. I trust them but my friend questions whether one can kiill a new battery-any responses is greatly appreciated.

steve01832
Veteran
steve01832 profile image

Apr 29, 2007, 5:35 AM

Post #2 of 3 (1946 views)

Re: car battery	Sign In

It is possible to kill a new battery if you completely drained it. But the only way to accurately test a battery is when it is fully charged.

Steve

Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Apr 29, 2007, 6:07 AM

Post #3 of 3 (1945 views)

Re: car battery	Sign In

Steve's is right on with this.

I will add that AAA did get you out of the problem if they had a new battery with them. I doubt they would stick around long enough to charge the dead one and test from there.

Also note: Jumping a car with a totally drained battery can be done with strong jumper cables BUT.... it's hard on the donor vehicle and if both vehicles are not left hooked up and charging for quite a while the dead car with a slight charge which is needed for alternator to do anything, will almost certainly burn out the alternator in trying furiously to charge back up.

Use a separate battery charger in these cases and if you have the time don't put it on fast charge as that's hard on the battery.

In short they did you a service and you probably have a new battery a year or two early and didn't fry your alternator,

T

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