Vehicle & Technical > Discovery
Battery woes
kevinragman:
:roll: I have the very same problem. Had the battery off for 3 days and charged it and kept checking it. Battery eliminated. Put it back onto the car and checked it. Over night it had dropped slightly. 24 Hrs on, it's dropped to 10ish volts. Now just powering the central locking/interior lights. Solar panel disconnected. :roll: :roll: Done all the earths and cleaned everywhere. Damn annoying. I don't do many miles at all but the battery drains quick, [!Expletive Deleted!] pushing it :!: :!:
muddyjames:
I bouight the battery brand new in December 29th last year. I would take it back but the shop I got it from is over 100miles away :(
SteveGoodz:
--- Quote from: "muddyjames" ---I seem to have something using the juice out of the battery.
I checked it yesterday. 14.04 volts when engine running, turned engine off and it was ike a count down timer on the multimeter and it stopped at about 12.78 volts
Today after about 24hours it was 12.23, then I put the glow plugs on and it dropped to 11.11volts and it really didnt want to start and just as I lsot all hope it fired into life.
--- End quote ---
The volts drop with the glow plugs energised isn't too surprising. You are drawing about 50Amps after all. Does the voltage start to recover afterwards? It should do.
--- Quote from: "muddy james" ---Any ideas?
--- End quote ---
You need to establish what the drain on the battery is with nothing switched on and to do this you'll need either a multi-meter or ammeter. Firstly, switch everything off on the vehicle and close all the doors. Next, disconnect the lead from the negative battery terminal. Finally, connect the meter between the battery post and disconnected lead to see what current is being drawn - give it about 20 seconds for everything to settle down. Anything more than a few hundred milliamps suggests an abnormal drain. Then we get into a whole different ballgame :D
HTH
mike142sl:
Batteries always take a battering in the cold weather. Mine (3yrs old) has started to need charging recently although I normally only drive a few miles each week so I am probably not giving the alternator chance to put the charge back in that I take out - inc the drain caused by the alarm/immobiliser. I've also got a tracker on there so that will be taking some juice as well.
I used to have a solar panel connected direct to the battery of the old RRC which kept the charge topped up fine. Might look at getting one for the Disco.
landroverkeith:
mine is the same james..... bloody thing never wants to turn over in the mornings i just put it down to the cold. as my battery is only just over a year old
:roll: glad we moved to the new house with a sloping drive :wink: id never hear the end of it if my car was dead and blocked the others behind lol
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