Battery Condition

Submitted: Monday, Apr 17, 2006 at 19:01
ThreadID: 32962 Views:1480 Replies:5 FollowUps:2
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Had my primary battery tested by toyota at the last service. Test report said it was in good condition (12.52v, rated 620cca, measured 574 cca). Voltage was no doubt taken within hours of the battery being charged (due to the engine being used).
Howver, when i measure the resting voltage (after a day or so of not being used/charged) it is usually in the range 11.3 - 11.9v.
In itself, is a low voltage an indication that the battery is on its way out?
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Reply By: Bonz (Vic) - Monday, Apr 17, 2006 at 19:22

Monday, Apr 17, 2006 at 19:22
I wouldnt be happy with it Drew, 11.3 is low in my book, if its the primary starting battery I would want something a tad healthier. As to whether its on its way out I cannot comment but to drop from 12.5 to 11.5 in a day with no use is a concern to me.

YMMV
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AnswerID: 167407

Reply By: luch - Monday, Apr 17, 2006 at 19:39

Monday, Apr 17, 2006 at 19:39
Drew it's time for a new battery

In Excelent condition it will be 12.8v
Fully charged it should be 12.6v
Fair condition it will be around 12.3v

The best way to check it is with a hydrometer not voltage
AnswerID: 167416

Follow Up By: luch - Monday, Apr 17, 2006 at 21:10

Monday, Apr 17, 2006 at 21:10
primary battery by this It sounds like A duel battery set up ?
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FollowupID: 422610

Reply By: Member - Phil G (SA) - Monday, Apr 17, 2006 at 20:42

Monday, Apr 17, 2006 at 20:42
Drew,
Its time for a new multimeter!!!!
Your vehicle wouldn't start at less than 12 volts

Cheers
phil
AnswerID: 167443

Follow Up By: Member - Phil G (SA) - Monday, Apr 17, 2006 at 20:44

Monday, Apr 17, 2006 at 20:44
And also, the batteries supplied with the V6 Prados are usually good for 5-6 years of normal use.
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Reply By: Derek from Affordable Batteries & Radiators - Tuesday, Apr 18, 2006 at 19:46

Tuesday, Apr 18, 2006 at 19:46
I agree, you may need a new meter.

Have you tested it with the engine running. 14 Volts or so. ??
AnswerID: 167645

Reply By: Leroy - Tuesday, Apr 18, 2006 at 19:54

Tuesday, Apr 18, 2006 at 19:54
I agree with the new meter theory. I have a flat batt in the crapoladore and it measured 12.25 and the central locking wouldn't even work! I think it's stuffed. Just not keeping a charge after sitting for 4 days. The date on the batt is 7/2001 so it's had a reasonable innings.

Leroy
AnswerID: 167648

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