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05' V70, almost dead battery, alarm going off, what to do? Topic is solved

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo's stylish, distinctive "P2" platform cars.

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abscate
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Re: 05' V70, almost dead battery, alarm going off, what to do?

Post by abscate » Fri Nov 01, 2019 2:10 pm

RickHaleParker wrote:
Fri Nov 01, 2019 2:09 pm
850 LPT wrote:
Fri Nov 01, 2019 1:17 pm
This is great info Oragex, thank you so much!

The car was indeed parked for about 2 1/2 weeks. And I didn't drive any kind of long distance prior to that, which is probably the reason why this happened.
From now on I will drive it to work every once in a while (85 miles per day) to prevent this from happening again. Lesson learned.
Install a float charger and plug it in. Float chargers cost $7.00 +, a whole lot less then a new battery.
+12 Volts

:D
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Re: 05' V70, almost dead battery, alarm going off, what to do?  Topic is solved

Post by 850 LPT » Sun Nov 03, 2019 3:14 pm

RickHaleParker wrote:
Fri Nov 01, 2019 2:09 pm
850 LPT wrote:
Fri Nov 01, 2019 1:17 pm
This is great info Oragex, thank you so much!

The car was indeed parked for about 2 1/2 weeks. And I didn't drive any kind of long distance prior to that, which is probably the reason why this happened.
From now on I will drive it to work every once in a while (85 miles per day) to prevent this from happening again. Lesson learned.
Install a float charger and plug it in. Float chargers cost $7.00 +, a whole lot less then a new battery.
Hi Rick, this is a great idea, I agree.

I actually own a couple of float chargers.. The thing is that the carport is quite far away from the house with no chance for electrical hookup. Plus, the charger would be somewhat exposed to the elements which makes me uncomfortable as far as safety.
I think I will just make it a point to drive it at least once a week and sometimes even to work. Hopefully this will keep the battery from draining too much.

This afternoon I installed the battery, fully charged, and everything is back to normal. :D
96' 850 sedan, base, auto, pewter/charcoal, 117k miles
99' S70, base, 5-speed manual, nautic blue/ tan, 216k miles
04' V70, auto, ash gold/ tan, 233k miles, daughters car
05' V70, 5-speed manual, loaded, mistral green/ tan, 150k miles
79' Ford Capri S, Euro Spec 2.8 V6, T9 5-speed manual
58' Porsche Diesel Junior
13' Honda Odyssey :oops:

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Re: 05' V70, almost dead battery, alarm going off, what to do?

Post by RickHaleParker » Sun Nov 03, 2019 11:28 pm

850 LPT wrote:
Sun Nov 03, 2019 3:14 pm
The thing is that the carport is quite far away from the house with no chance for electrical hookup.
The solar powered float chargers don't cost that much more. Maintaining a charge does not take a lot of power or energy.

I am seeing 20 Watts Solar Float chargers on eBay for < $20.00. Still way way less then a battery. A 20 Watt solar panel + a Charge controller $26.99. That is a Pulse Width Modulation (PWM) charger controller, it would go easy on the battery.

The 5 Watt units might do in sunny Florida but for CT I would get a 20W unit to insure it makes it through the winter.
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850 LPT
--------
Platform: P80 1998 C70, B5234T3, 16T, AW50-42, Bosch Motronic 4.4, Special Edition package.
Platform: X40 (Nedcar) 2003 S40, B4204T3, 14T twin scroll AW55-50/51SN, Siemens EMS 2000.
Platform P2 2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0.
Platform P2 2004 S60R, B2524T4, AW50/51 AWD, B8444S TF80 AWD, Bosch Motronic 7.0, BorgWarner K24 turbocharger. V8 conversion in progress.

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Re: 05' V70, almost dead battery, alarm going off, what to do?

Post by abscate » Mon Nov 04, 2019 4:36 am

I tuck the small chargers under hood somewhere. On a P2 plenty of room in the trunk, run an outdoor cord to the car port. You do needs protocol to prevent Corded drive offs, or a really long extension cord.

:lol:
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Re: 05' V70, almost dead battery, alarm going off, what to do?

Post by RickHaleParker » Mon Nov 04, 2019 5:58 am

abscate wrote:
Mon Nov 04, 2019 4:36 am
You do needs protocol to prevent Corded drive offs, or a really long extension cord.
Normally closed relay with a 120Vac coil across the 120V line.
Use the switch side to open a critical circuit like the power to the fuel injectors or the wire to the Starter solenoid.
--------
Platform: P80 1998 C70, B5234T3, 16T, AW50-42, Bosch Motronic 4.4, Special Edition package.
Platform: X40 (Nedcar) 2003 S40, B4204T3, 14T twin scroll AW55-50/51SN, Siemens EMS 2000.
Platform P2 2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0.
Platform P2 2004 S60R, B2524T4, AW50/51 AWD, B8444S TF80 AWD, Bosch Motronic 7.0, BorgWarner K24 turbocharger. V8 conversion in progress.

User avatar
abscate
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Posts: 21871
Joined: Sun Feb 17, 2013 5:54 pm
Year and Model: 99T5 ,99S70,2005V70
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abscate

Re: 05' V70, almost dead battery, alarm going off, what to do?

Post by abscate » Mon Nov 04, 2019 6:27 am

RickHaleParker wrote:
Mon Nov 04, 2019 5:58 am
abscate wrote:
Mon Nov 04, 2019 4:36 am
You do needs protocol to prevent Corded drive offs, or a really long extension cord.
Normally closed relay with a 120Vac coil across the 120V line.
Use the switch side to open a critical circuit like the power to the fuel injectors or the wire to the Starter solenoid.
Nice. I do the Human Engineering Approach - a orange marked lock out clothes pin on the steering wheel, but why let good technology sit on the shelf ?

:D
Empty Nester
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1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 BMW
Link to Maintenance record thread
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Re: 05' V70, almost dead battery, alarm going off, what to do?

Post by 850 LPT » Mon Nov 04, 2019 11:17 am

The solar panel charger idea is very intriguing. I will investigate that further.

Thanks guys!
96' 850 sedan, base, auto, pewter/charcoal, 117k miles
99' S70, base, 5-speed manual, nautic blue/ tan, 216k miles
04' V70, auto, ash gold/ tan, 233k miles, daughters car
05' V70, 5-speed manual, loaded, mistral green/ tan, 150k miles
79' Ford Capri S, Euro Spec 2.8 V6, T9 5-speed manual
58' Porsche Diesel Junior
13' Honda Odyssey :oops:

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