My A4 will not start after only being away 19 days??

sat1983

Registered User
Battery was replaced on 30/03/2012 and I had left no lights or anything on. Does this seem to be about right?
 

docurley

Moderator
Staff member
Moderator
Right ....... No but it could anything from a alternator dying to a faulty battery to any other number of things.
 

sat1983

Registered User
I'd always thought battery lasted at least 5 years- I generally do long runs so thought the battery was healthy!
 

john777w

Registered User
You need a meter set to amps, remove the earth lead on the battery & connect the meter to the battery post & the other to the removed lead. Close everything down including the bonnet run the meter outside of the car, now lock the car & wait for at least 10mins for everything to close down. See if any currant is being drawn, if there is you need to start pulling fuses until you find the circuit that is drawing power!
DO NOT TRY STARTING THE CAR......you will fry the meter!!
 

desertstorm

Moderator
Staff member
Moderator
VCDS Map User
There will always be a small amount of residual current for things like the alarm and the central locking receiver typically around 50mA .
19 days is actually quite a time to leave a car with a typical drain of 50mA being 0.05A , Multiply that by the number of hours in 19 days
0.05 * 19 * 24 = 22.8Ah of capacity thats nearly a third of the capacity of a fully charged new battery.
Extra kit such as non standard radios, amps etc are probably going to increase this.
What make is that battery that you have fitted?, a lot of the aftermarket ones don't have the performance of Varta, Bosch OE batteries.

Karl.
 

jimmcgee

Registered User
check the switch in you glove box ! my damper was broke and I have been driving about with the light on for the last 3 months lol:redface new:
 
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