rdodger
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| posted on 11/10/15 at 02:32 PM |
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Current draw
Afternoon all
Just a quicky
My Libra draws 0.13 amps when tested with the immobiliser on. Is that about right?
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britishtrident
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| posted on 11/10/15 at 02:51 PM |
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130ma is way on the high side unless the battery is oversized , healthy and fully charged you could be looking at starting problems and battery
damage after less than 2 weeks lay-up.
Even on modern high end cars with lots of computer systems normally measuring an hour after shutdown I would regard anything over 30 ma as a problem
15 ma or less is more typical.
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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Smoking Frog
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| posted on 11/10/15 at 03:11 PM |
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I'm assuming standby current drain. According to this site it's to high.
http://www.w8ji.com/battery_and_charging_system.htm
About half way down it says "but in no case should "overnight off" leakage exceed 25 mA or so". Your's is 0.13A =
130mA
What's the current drain without the immobiliser connected as they may be another source of leakage.
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rdodger
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| posted on 11/10/15 at 03:11 PM |
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Ok Thanks.
I thought that might be the case.
I suppose I better start by removing the crapola alarm and test again.
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theduck
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| posted on 11/10/15 at 03:35 PM |
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What is the correct way to measure this? I've been leaving my battery disconnected as a precaution and was considering a battery cutoff switch
so would be useful to know what the draw is.
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rdodger
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| posted on 11/10/15 at 03:40 PM |
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Meter set to Amps (mine has a plug for the + lead 10 amp fused). Disconnect the + Lead from the battery and bridge the battery and + lead with the
meter.
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britishtrident
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| posted on 11/10/15 at 04:07 PM |
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If you have a cut-off switch measure across the cut-off switch with the cut-off switch off..
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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