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Topic: Leisure Battery Help!

Charwilk

25/5/2018 at 12:03pm
Location: None Entered
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Hi Guys,

I have recently purchased a 2001 T4 campervan. I have been on a couple of weekend trips but the last one my leisure battery ran out. I believe I have a split relay connection to the battery because once driving around it seemed to charge up more.

My question is, do I need to take the leisure battery out and manually charge it or can I rely on it to charge enough when driving?

Also, I have a voltage meter on a switch in the cab but I'm not really sure what the reading means...

I am new to all of this so any advice is greatly appreciated!

Colin21

25/5/2018 at 12:36pm
Location: East Herts
Outfit: 1992 Elddis Wisp 450CT + X Trail

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Hi. If you have a split-charge relay your leisure battery should charge while you are driving, but whether it will charge enough depends on what you are running while you are stopped, how large a capacity the battery has, what condition the battery is in, and for how long you are stopped.

I would start by determining what size battery you have, it should have an "ah" figure on it somewhere, e.g. 75ah or 110ah. Then I would take the battery to a garage or battery supplier and get it checked. Once you are certain you have a good, decent-sized battery, you will need to work out what you want to run off it.

-------------
Best Regards,
Colin

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mjvw

25/5/2018 at 3:39pm
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My t4 camper has an 85AHR located in the engine bay next to the starter battery, unable to put larger battery in the space as it is a tight fit. Spilt charger (Alternator) runs the battery up to 13.6 volts when charging on the move, a zig unit also charges if on electric hook up, off grid i have 50w solar set up to top up the battery, all lights are converted too LED to save amps.I have no issue with the battery lasting but i don't run much equipment when on 12v.
One day last we on a beautiful sunny day i did see that the volts on the leisure battery at 14 volts with nothing using the leisure battery, so reset the cut off on the control to 13.6 as was worried i might cook the leisure battery.

fin676

25/5/2018 at 8:04pm
Location: Banffshire
Outfit: 2008 Adria Twin

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Most automotive systems regulate charging voltage to 14.7 volts a battery always need more volts put in than it would have when charged or it wouldnt charge
a 12 bolt battery has 6 cells each cell should hold 2.1 volts 12.7 volts for the battery once the charger is switched off voltage reading may be between 13.2 and 13.6 but will settle to 12.7 after 12 to 24 hours

Brian

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