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Subject Topic: battery in new van - volt reading
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Persona sommers
20/4/2007 at 2:39pm
 Location: Southwell
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just purchased new van, batt says 12v on display in caravan, i understand 12.7 means fully charged, dealer says is fully charged on 12v, can anyone explain, do you get different readings onthe display in the van compared to if used a meter to read the battery terminal. thanks  - andy


PersonEJB986
20/4/2007 at 2:50pm
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It should be about 12.7v at any point in the circuit. 'Van circuits are fairly short so there should be virtually no voltage loss anywhere. 

HTH



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Ted


Personbilly
20/4/2007 at 6:00pm
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--Try a meter across the battery--praps yer van meter is inaccurate--

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Every day should be a holiday!


Personphantomtrucker
20/4/2007 at 6:09pm
 Location: Reading
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Meter on batt. can show as much as 13.75 when fully charged. (digital meter). But anything over 12 is OK. put it on trickle charge for 24hrs and check reading then.

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Sue & Bob


Persona sommers
20/4/2007 at 6:10pm
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thanks for the help guys, will investigate


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PersonMudIark
20/4/2007 at 8:45pm
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It is possible that the on board chargers in the new vans are only capable of charging to 12v

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Persontimtheenchanter
21/4/2007 at 1:02pm
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Mine reads approx 13.3 fully charged, on both my digital multimeter, and car tuner.


PersonEJB986
21/4/2007 at 3:06pm
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12.7v is the normal fully charged reading after the battery has settled.

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Ted


Bob™57
21/4/2007 at 9:02pm
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Hope this helps. As Phantomtrucker says...it may well show 13 point something after being fully charged.

 

Voltage

State of Charge

12.6+

100%

12.5 

90%

12.42

80%

12.32

70%

12.20

60%

12.06

50%

11.9 

40%

11.75

30%

11.58

20%

11.31

10%

10.5 

0%


Personwizard9956
22/4/2007 at 9:51am
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Quote: Originally posted by MudIark on 20/4/2007

It is possible that the on board chargers in the new vans are only capable of charging to 12v

Far as i know caravan chargers provide 13.8volts when charging .

atb

Wizard


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PersonJayDee
22/4/2007 at 10:57pm
 Location: Remfrewshire
 Outfit: BMW 330d XC90 D5 Abbey Vogue 540 View JayDee's Profile View Profile   Reply to JayDee Reply   Quote JayDee Quote  
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My Abbey Vogue handbook states the battery is charged at 14.3v and in turn the battery is fully charged at 12.7v or so.

Your dealer may be repeating something he has been told Bob™57's table is a good illustration.

One reason you might see a different reading on the display is that a charger will provide a voltage greater than that in the battery when charging.


Personandyclarky
22/4/2007 at 11:11pm
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beltin'  table from Bob

any decent auto electrician will tell you the same as in the three posts above

and not charge you for the priviledge

 

 



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give me a field and wordsworth's 'dills



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