Leisure Battery Problem

Discussion in 'General VW T6 Chat' started by Skinns, 13 Feb 2020 at 19:33.

  1. Skinns

    Skinns New Member

    Map
    Evening all
    Just noticed leisure battery is dead and isn’t charging when driving the van
    To be fair it’s never been great, and has been run right down on a few occasions
    I’m guessing it’s the battery that’s worn out and nothing more serious?
    No loose connections etc
    Can anyone recommend a really good “heavy duty” leisure battery
     
  2. widu13

    widu13 Senior Member VIP Member T6 Guru

    Map
    How old is the van and what is charging (or not) the battery?
     
  3. Skinns

    Skinns New Member

    Map
    It’s a 16 plate and even when driving it isn’t charging up
    As it usually does. Gotta a digital screen and its reading
    8ish so really flat
    Before when it’s been low as soon as you start the van it
    Goes right up, 12+
    It’s drained flat a lot of times so do you think it’s just died?
    Cheers
     
  4. Pete C

    Pete C T30 102bhp converted to camper VIP Member T6 Legend

    Map
    Probably, but what device is actually charging it.

    Pete
     
  5. Wills

    Wills Senior Member VIP Member T6 Guru

    Have you tried charging via EHU if you have it?
     
  6. Skinns

    Skinns New Member

    Map
    Evening Pete
    Don’t pretend to be an expert but I’ve always thought the
    Way it’s worked is that leisure battery is wired to engine
    Battery so when van is running it’s charging the leisure
    Battery? When ever it’s got low I’ve started the van and
    It always seems to charge it up
    Cheers
    Simon
     
  7. Pete C

    Pete C T30 102bhp converted to camper VIP Member T6 Legend

    Map
    There will be some sort of device between the engine battery and leisure battery which regulates the charging.
    That could be faulty.

    Pete
     
  8. widu13

    widu13 Senior Member VIP Member T6 Guru

    Map
    Have you got something like this either near the leisure battery or in the engine bay? It's about 3" X 3"

    41NTPDzketL._AC_SY400_.jpg
     
  9. Skinns

    Skinns New Member

    Map
    Thank you for all your interest with this
    It’s certainly brought up a few things to check
    Before getting another battery
    Wish I had the knowledge of you chaps with
    All this stuff!
    Thanks again
    Skinns
     
  10. Skinns

    Skinns New Member

    Map
    Just another question, how long would you expect leisure
    Battery to run fridge, interior lights etc before it needs
    Re charging? Mine has only ever lasted 4-5 hrs max
    I was told it should be 12-18hrs
    What do you think?
     
  11. Pete C

    Pete C T30 102bhp converted to camper VIP Member T6 Legend

    Map
    Depends on what sort of fridge you have, and how big your battery is.
    Our 130Ah battery would run the fridge plus lights for a couple of days max.

    Pete
     
    widu13 likes this.
  12. Skinns

    Skinns New Member

    Map
    Pretty sure our fridge is the standard one as I’ve seen it so many times
    In other campers ( YouTube, vw bus mag) tell me I’m not a sad case!
    So my battery has never been that good. Got a good garage down the
    Road so off there this weekend to hopefully sort it out
    Thanks Pete
     
  13. paul_law

    paul_law Member

    Map
    Hi. I had a similar problem last week, and got a lot of help that may be useful to you on my thread: Leisure Battery Charging
     
  14. Salty Spuds

    Salty Spuds Senior Member VCDS User VIP Member T6 Guru

    There are 3 types of "standard" fridge:-

    1, Thermo electric (Peltier) type, these will flatten a healthy battery in 6-8 hours
    2, Absorption/3 way fridge, these will kill the same healthy battery in 12-15 hours
    3, Compressor, this should run for a weekend on a healthy battery.

    as you can see, the technology of your fridge has a huge bearing on how long your battery will last.
     
    Pete C likes this.
  15. Skinns

    Skinns New Member

    Map
    Thanks to salty spuds and Paul for that information, if it ever stops raining i’ll
    Go out and check all that!
     

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