Reply With QuoteA 50mA draw shouldn't flatten the battery than quickly - should get weeks or more at that. Is the battery ok - or did you mean .5 amps (500mA)?
Master
SubscriberWhen at rest, key turned off what current draw do you get. Mine has .05 amps is this normal?. The battery is always flat if I don't use the car for a few days. Replaced the battery with the same result. If this is high then I guess I'll have to start pulling fuses.
Super Moderator & CA manager
SubscriberA 50mA draw shouldn't flatten the battery than quickly - should get weeks or more at that. Is the battery ok - or did you mean .5 amps (500mA)?
If you need to contact me please email homestarrunnerau@gmail.com - thanks - Gav.
Master
SubscriberNo definately 50mA. My old battery did the same and now a new battery. I am not sure what the various on board computers might do when left to there own devices. But that is all that I have ever measured. Perhaps I should try another meter. I have an analogue multi meter, perhaps it's time to drag that out. I have never been keen on digital meters so kept the old analogue meter for just an occasion like this.Originally Posted by Homestar
OldBushie
Are you locking it each time you leave it?
Was it an SLS vehicle now on coils?
Any USB ports etc fitted permanently (always on) in the vehicle?
50mA is nothing.
LordRover
SubscriberDo the doors lock normally with the fob? Mine had a faulty receiver in the roof which drained the battery.
Where are you measuring the amperage?
JayTee
Nullus Anxietus
Cancer is gender blind.
2000 D2 TD5 Auto: Tins
1994 D1 300TDi Manual: Dave
1980 SIII Petrol Tray: Doris
OKApotamus #74
Nanocom, D2 TD5 only.
YarnMaster
SubscriberA 60 Ah battery will last for 500 days at 50mA per day.
What else is on?
D2a Td5 Manual, Chawton White. aka "Daisy"
Build date 11th Oct 2003
Freelander 2 2011, manual, the daughter calls it Perri
Before I had a Land Rover I did not have any torque wrenches. Now I have three.
LROCV #1410
Master
Supporter0.05 Amp continuous draw amounts to 0.05 x 24 = 1.2 Ah per day.
(There is no such thing as 50 mA per day, it is 50 mA continuously for a day.)
This suggests that a 60 Ah battery should last for (60 / 1.2) = 50 days.
It seems that something may be wrong with your current reading, or something else is happening.
OldBushie
Hi Rob, how much drive time are you doing?
Not using any vehicle much and doing lots of short drives, will have your battery slowly discharging itself and it will be sulphating pretty quickly.
A heavily sulphate battery will hold far less capacity and this will lead to the battery self-discharging in a short time, regardless of how small a load may be.
You may need to rejuvenate your battery with a battery charger.
Master
Subscriberhas air bags but used to have coils. The Slab has been changed to show airbags. No USB ports. Not locked in the garage no.
Master
SubscriberIt is true that some of my drive times are shortish. Down into town perhaps 3 km and back. I have to use a battery charger to get it started although it will jump start. I checked with the analogue meter and it is accurate and shows 55 mA. The volts according to Nanocom are 14.4 when the engine is running. The battery was reading only 8.6 volts when I tried to start it yesterday. Perhaps there is not many amps coming from the alternator. Guess that is the next check I'll have to see where that can be done and find a big enough amp meter. I guess these alternators put out a big amount of amps when required. The other thing is that while the battery is larger than most it doesn't fill the battery box there is still a couple of inches of space. I could fit an isolation switch and then reset the radio code and clock each time. But that doesn't fix the cause.
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