Vehicle & Technical > Discovery

Battery woes

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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.

I have a solar pannel in the boot connected to the constant 12v feed for caravans. It seems to be worse since then. Could the solar pannel be effecting it? Should I just wire the pannel direct into the battery avoiding the constant 12v? I cant think in my head it will make any difference.

One day soon it isnt going to start.

I had a 2hour run on Sunday week back. It has been started up and moved onto the road to work on it and then turned off again. Done that about 5-6 times.

Any ideas?

skip:
on some solar panels at night there is some reverse leakage through the panels control circuits , and with long winter nights there could be more coming out than there is going in.

muddyjames:
I rememebr reading that the solar pannel has a non return diode in it. It used to work well in the caravan to keep that topped up.

Any way I can check the pannel is taking the juice back in ?

hobbit:
Disconnect it for a night, and see if the problem goes away

muddyjames:
well it has had problems with battery going flat before, hence why i put the pannel in. It is also a PITA to take out as it is all wired into behind the dickie seats etc.  :roll:  :twisted:

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