Car Battery Dies After Sitting A Few Weeks. This is why batteries lose charge even when the car is sitting. Any electronic device with memory settings, like a clock and radio station presets, draws power from the battery while the vehicle ignition is off.
Can A Car Battery Go Dead From Sitting? (Cruical Things To Know) from drivermoola.com
Car batteries usually last for about three to four years—but leaving your car sitting for far too long hastens the decay. They did say that most cars nowadays can not sit for more than a few days without killing the battery, i don't entirely buy that. That is not enough to make my battery go dead, even if left unattended for weeks.
So Of Course When I Take The Car To Honda, The Battery Has A Positive Output Reading And They Say There Is Nothing Wrong With The Alternator, Charging System, And No Excessive Power Draw.
What to do if your battery is dead. That or you have a short in the car somewhere. Any local auto parts store can do a battery test for you for free.
Vehicles With Plenty Of Gadgets And Computers Will Stay For Less Than Four Weeks Before The Battery Dies.
I know mine has sat for three weeks and it was fine. He left his for two weeks and an airport and it was completely dead when he returned. If it doesn’t, the battery might need to be replaced.
The Life Of A Battery Is Difficult To Predict.
However, there are a few simple checks you should make first. I am not sure what voltage bmws put out, but if it is about 14v with the engine running, then it might not be the alternator. That is not enough to make my battery go dead, even if left unattended for weeks.
You May Have A Bad Cell In The Battery.
Radio, navi or something is still running after shut down. I do have a coworker that had this issue with is toyota tundra, it likely shares the same denso kessy system that subaru uses. In the winter months, it’s not uncommon for cars to sit in storage for weeks or even months at a time without being driven.
If The Car Sits For 1 Day, The Battery Will Be Dead And I Have To Jump Start It.
A mechanic would use an ammeter to probe various circuits to isolate the problem. If a battery were sitting on a concrete floor sure maybe it would go dead. Fully charge the battery and leve it on a trickle charger when the car isn't being used.
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