My battery won't hold a charge.. battery is new. What could be the problem?

20

Asked by Nov 15, 2015 at 02:19 PM about the 2006 Chrysler 300 Touring

Question type: Maintenance & Repair

5 Answers

28,045

how new......??? if it wont hold a charge when sitting ..not running...then something/circuit is stealing power from the battery...When a car battery goes dead or becomes run down while sitting unused for days or weeks, the cause may be a current drain, but it's necessary to determine how much current is being drawn from the battery and whether that amount exceeds what's normal. Cars with computers will have a constant current drain to keep their memories alive. Cars without computers must have no drain at all unless the radio has electronic station presets and a digital clock. Even those radios draw so little current that the battery should remain charged enough to crank the engine after sitting for many months. Excessive current drain will usually result in the battery running down overnight or within a few days. Refer back to "Basics of Batteries" for a description of some preliminary tests, but to recap a few important details here, first look for corrosion buildup on the battery posts and cable clamps. That corrosion rarely forms when the battery is relatively new or still in good condition. By the time a battery gets to be around four to four and a half years old, so much lead has flaked off the plates that the current going in to recharge it has a greater undesirable heating affect on the lead that's left. That leads to increased bubbling or "gasing". Those bubbles splatter up on the underside of the top of the battery case and some of the electrolyte works its way out between the case and posts. That's the acid that forms the corrosion. her ..read this and you will know as much as me > http://randysrepairshop.net/testing-for-battery-drain.html

20

The battery drains after the cat has been parked for a couple of hours?

2 of 2 people found this helpful.
23,205

Did you check your alternator? The AAA has a great battery service, they come to you and check out all this all out as a member benefit.

10

something is not shutting off so in result you have a dead battery

1 of 1 people found this helpful.

New coils, new radiator, new tune up, new battery, bad head gasket, somethings draining her

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