Battery Dead after 8 days sitting the garage

zoom · 07-18-2010, 08:52 AM

I have a 2010 manual 370z. The car has 3,000 miles. Original factory battery. I left the car in my garage while out of town, so it sat for 8 days without being started. When I returned the battery was so dead that the dashboard would not light. I verified that I didn't leave anything on (light headlights...etc). I took the battery out and headed to walmart to let them check if the battery was good or not...they came back and said the battery was fine just needed to be charged. Took the battery home put it back in car and the car started right up.

Anyone know what would be causing the battery to go dead? I find it hard to believe that you can't sit the car for 8 days without the battery going dead.

CBRich · 07-18-2010, 09:07 AM

My car is not my daily driver and has sat for up to 15 days with no battery issues. This is definitely not right.

Modshack · 07-18-2010, 09:07 AM

Quote:

Originally Posted by zoom

I have a 2010 manual 370z. The car has 3,000 miles. Original factory battery. I left the car in my garage while out of town, so it sat for 8 days without being started. When I returned the battery was so dead that the dashboard would not light. I verified that I didn't leave anything on (light headlights...etc). I took the battery out and headed to walmart to let them check if the battery was good or not...they came back and said the battery was fine just needed to be charged. Took the battery home put it back in car and the car started right up.

Anyone know what would be causing the battery to go dead? I find it hard to believe that you can't sit the car for 8 days without the battery going dead.

I once stepped out of the car, closed the door and the radio was still on....
Turns out I had accidentally double tapped the engine stop button when turning it off and it ended up in the Accessory position...Just a thought..

Something had to be on for it to completely drain..

6spd · 07-18-2010, 09:14 AM

Quote:

Originally Posted by Modshack

I once stepped out of the car, closed the door and the radio was still on....
Turns out I had accidentally double tapped the engine stop button when turning it off and it ended up in the Accessory position...Just a thought..

Something had to be on for it to completely drain..

qft, this has happened to me before, but i caught it. this would be a likely scenario.

m4a1mustang · 07-18-2010, 09:14 AM

Quote:

Originally Posted by Modshack

I once stepped out of the car, closed the door and the radio was still on....
Turns out I had accidentally double tapped the engine stop button when turning it off and it ended up in the Accessory position...Just a thought..

Something had to be on for it to completely drain..

This.

I accidentally did the double-tap and while the engine was off, the car was still in accessory mode so my dash and instrument panel was lit, ac was blowing, and the radio was on. I think I came back to the car after an hour or so.

NISSNISS370Z · 09-08-2010, 02:11 PM

Quote:

Originally Posted by m4a1mustang

This.

I accidentally did the double-tap and while the engine was off, the car was still in accessory mode so my dash and instrument panel was lit, ac was blowing, and the radio was on. I think I came back to the car after an hour or so.

but when you accidentally do this and you lock your doors/set alarm doesnt it turn everything off?

zoom · 07-18-2010, 09:20 AM

Another interesting note...

When I removed the battery the water level in some of the cells was low...

Wondering if that would cause the battery to lose juice...

yellowgold · 07-18-2010, 09:14 AM

take off the battery cables next time, that's what i do with most of my cars when i leave, i never had any problems, just give the keys to someone who you trust and tell them to turn the car on every 2 weeks if you leaving it for a long time.

PapoZalsa · 07-18-2010, 01:00 PM

Quote:

Originally Posted by yellowgold

take off the battery cables next time, that's what i do with most of my cars when i leave, i never had any problems, just give the keys to someone who you trust and tell them to turn the car on every 2 weeks if you leaving it for a long time.

Unless your car is going to be in storage or sitting for a long time (6 months+) is no need for that.

Cjanik · 07-18-2010, 10:02 AM

defective battery maybe?

ive left my car for 1 months when my son was born and it started right up.

errett · 07-18-2010, 10:54 AM

My 2010 Pathfinder did the same thing right after it was purchased. I put it on a slow charger and brought it back up to full and have not had the issue since.

My 370Z regularly sits for a week at a time without being started and I have not seen this happen.

Keep an eye on it, my H2 came from the dealership with a dead cell in the battery and left me stranded less than 1 month after purchase.

E

susu · 07-18-2010, 11:16 AM

I am not too impressed with the battery that came with my new Z. I had to boost it up twice in my first 2 months of ownership. The 2nd time, the dealership ran a check and said battery was OK. Granted mine is a roadster,with the added drain playing around the power top; this factory battery appears not to hold the charge too well esp with my daily driving being fairly short distances ( less than 10 kms ) each time on my daily commutes.
The first time it happen was after a week of ownership and I attributed that to having left it in the ACC. position; as I was in a hurry getting to work and then finding the battery almost dead 9 hours later.

drdre8424 · 07-18-2010, 11:19 AM

Quote:

Originally Posted by Modshack

I once stepped out of the car, closed the door and the radio was still on....
Turns out I had accidentally double tapped the engine stop button when turning it off and it ended up in the Accessory position...Just a thought..

Something had to be on for it to completely drain..

Quote:

Originally Posted by 6spd

qft, this has happened to me before, but i caught it. this would be a likely scenario.

i'm pretty sure that after certain amount of time with inactivity, the car turns off in ACC mode.

6spd · 07-18-2010, 01:23 PM

Quote:

Originally Posted by drdre8424

i'm pretty sure that after certain amount of time with inactivity, the car turns off in ACC mode.

yeah when the battery dies

Kirkster · 09-08-2010, 02:10 PM

Quote:

Originally Posted by drdre8424

i'm pretty sure that after certain amount of time with inactivity, the car turns off in ACC mode.

I was polishing mine all day on saturday a week or two ago and the car definitely shuts down after an hour or so. I know this because I had to keep turning it back on. Might be a 2010 improvement...

K

07-18-2010, 08:52 AM	#1 (permalink)
zoom Base Member Join Date: Jul 2010 Location: Dallas Posts: 5 Drives: 2010 370z Rep Power: 15	Battery Dead after 8 days sitting the garage I have a 2010 manual 370z. The car has 3,000 miles. Original factory battery. I left the car in my garage while out of town, so it sat for 8 days without being started. When I returned the battery was so dead that the dashboard would not light. I verified that I didn't leave anything on (light headlights...etc). I took the battery out and headed to walmart to let them check if the battery was good or not...they came back and said the battery was fine just needed to be charged. Took the battery home put it back in car and the car started right up. Anyone know what would be causing the battery to go dead? I find it hard to believe that you can't sit the car for 8 days without the battery going dead.

07-18-2010, 09:20 AM	#7 (permalink)
zoom Base Member Join Date: Jul 2010 Location: Dallas Posts: 5 Drives: 2010 370z Rep Power: 15	Battery water level Another interesting note... When I removed the battery the water level in some of the cells was low... Wondering if that would cause the battery to lose juice...

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07-18-2010, 09:07 AM	#2 (permalink)
CBRich A True Z Fanatic Join Date: Apr 2009 Location: SC Posts: 2,464 Drives: 370Z Rep Power: 545	My car is not my daily driver and has sat for up to 15 days with no battery issues. This is definitely not right.

07-18-2010, 09:14 AM	#8 (permalink)
yellowgold Base Member Join Date: Jun 2010 Location: Chicago Posts: 43 Drives: 04 maxima SE Rep Power: 16	take off the battery cables next time, that's what i do with most of my cars when i leave, i never had any problems, just give the keys to someone who you trust and tell them to turn the car on every 2 weeks if you leaving it for a long time.

07-18-2010, 10:02 AM	#10 (permalink)
Cjanik Track Member Join Date: May 2009 Location: Las Vegas Posts: 578 Drives: N/A Rep Power: 18	defective battery maybe? ive left my car for 1 months when my son was born and it started right up.

07-18-2010, 10:54 AM	#11 (permalink)
errett Base Member Join Date: Mar 2010 Location: Maumelle, AR Posts: 149 Drives: Z34 10 0111 Rep Power: 16	My 2010 Pathfinder did the same thing right after it was purchased. I put it on a slow charger and brought it back up to full and have not had the issue since. My 370Z regularly sits for a week at a time without being started and I have not seen this happen. Keep an eye on it, my H2 came from the dealership with a dead cell in the battery and left me stranded less than 1 month after purchase. E

07-18-2010, 11:16 AM	#12 (permalink)
susu Base Member Join Date: Nov 2009 Location: canada Posts: 73 Drives: 370z roadster 6mt sp Rep Power: 16	I am not too impressed with the battery that came with my new Z. I had to boost it up twice in my first 2 months of ownership. The 2nd time, the dealership ran a check and said battery was OK. Granted mine is a roadster,with the added drain playing around the power top; this factory battery appears not to hold the charge too well esp with my daily driving being fairly short distances ( less than 10 kms ) each time on my daily commutes. The first time it happen was after a week of ownership and I attributed that to having left it in the ACC. position; as I was in a hurry getting to work and then finding the battery almost dead 9 hours later.