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F. Tinker

Jump battery every 2 weeks if I don't drive it

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Less than 1 year old 2020 Crosstrek with < 7k miles as I don't drive it often.  I have jumped the battery at least 4 times because if I don't drive my car every week it drains.  I took it into the shop and they said it is normal you have to drive your car weekly.  So that means I cannot go on vacation more than 1 week or leave my car at the air port longer than a week otherwise I would have to get it jumped.   Does that sound normal to you all?  Is it true that if you dont drive your brand new car at least every week it will die because it has a parasitic leak?   Sounds crazy that I will have to either have someone come and start my car every week or have a jumper company on my speed dial so I can call them when I get off the plane and ask they have my car jumped before I get to it.   OMG!  I would not recommend this car during a pandemic, people that work at home or the older generations that don't drive it every week.

Any ideas on what I can do?

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We don’t know the history of the vehicle and batteries are *routinely* problematic. 

1. test for a drain in the vehicle. It’s a simple test. 

2.  have the battery tested at any major national chain like advanced auto parts, etc. 

more than likely the battery is weak and the first time it ran low degraded it and it’s now junk. 

again we don’t know the history or how likely options 1 and 2 are   

Get a better battery and never think about it again. Get something with more power then the stock unit. Get an Odyssey if you want the best, call them and ask which one.

The battery might be bad or the first time it died degraded its capabilities. They are *not* forgiving.

Youre over thinking it. More than likely the first time it ran low was more than a week - and was preceded and/or proceeded by short trips where the battery wasn’t fully charged.

Batteries degrade every time they run low - so you’re making it worse every time it does this.

You could check for a drain and/or have the battery tested.

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The fuel pump runs every couple of hours to keep pressure in the system.  That is what is killing your battery.  Just disconnect the battery if you think you won't be driving it for a few weeks.

Edited by ezapar
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