Dying Battery

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kimbill
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Dying Battery

Postby kimbill » Sun Oct 14, 2018 11:39 am

2011 G37. Battery dies if car left 7-10 days unused. Battery has checked out ok. Where to check net?
Thanks, Grampa Bill
Last edited by Rogue One on Sun Oct 14, 2018 11:51 am, edited 1 time in total.
Reason: Revise Title


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Rogue One
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Re: Dying Battery

Postby Rogue One » Sun Oct 14, 2018 12:11 pm

Are the terminals clean and free of corrosion? Have you checked the alternator? Most auto parts stores will check your electrical system for free. What about after-market add-ons like radio, Bluetooth kit or security system, then one of these could be draining the battery. Some of these may need to have a permanent live connection so that they retain some settings like the time or radio channel frequency, causing a slow drain.

Are you driving the car long enough to keep the battery charged? If not you may need to hook it up to a trickle charge.

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telcoman
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Re: Dying Battery

Postby telcoman » Mon Oct 15, 2018 4:53 am

kimbill wrote:
Sun Oct 14, 2018 11:39 am
2011 G37. Battery dies if car left 7-10 days unused. Battery has checked out ok. Where to check net?
Thanks, Grampa Bill
How old is your battery?
Are all of the cells of your battery accepting a full charge?
Use a battery hydrometer to test them

Image

Obtain a digital voltage monitor to monitor the output charging voltage of your alternator

Image

Telcoman

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audtatious
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Re: Dying Battery

Postby audtatious » Fri Oct 19, 2018 11:51 am

Here's a troubleshooting video that may help

https://www.youtube.com/watch?v=y66xOBU5GzY&t=15s


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