Very interesting Report on Leisure Batteries

Discussion in 'Motorhome Chat' started by mowbotman, Apr 10, 2015.

  1. mowbotman

    mowbotman Funster

    Joined:
    Aug 10, 2008
    Messages:
    194
    Likes Received:
    180
    Location:
    Nottingham
    • Like Like x 1
  2. Jaws

    Jaws Funster Life Member

    Joined:
    Sep 26, 2008
    Messages:
    18,347
    Likes Received:
    21,705
    Location:
    Narrfoook
    And amazingly, things have moved on even further since that was written is 2012.
    After donkeys years of stagnation in battery development, with the advent of more and more electric cars ( and motorcycles ) people ib the field have really had their thinking caps on !! (y)
     
  3. Jim

    Jim Ringleader

    Joined:
    Jul 19, 2007
    Messages:
    25,856
    Likes Received:
    76,233
    Location:
    Sutton on Sea
    I was sent a press release the other day about a 120 AH battery that can be used down to 5% (wow) and charges from 5% to full in just 2 hours. (Big Wow) The catch,...it costs almost £2500.00 :eek: For that, I'd want a 25 year guarantee!
     
    • Like Like x 2
  4. jonandshell

    jonandshell Funster

    Joined:
    Dec 12, 2010
    Messages:
    5,261
    Likes Received:
    7,881
    Location:
    West Norfolk
    The above report is flawed and incorrect in its assumptions.
     
    • Like Like x 1
  5. jonandshell

    jonandshell Funster

    Joined:
    Dec 12, 2010
    Messages:
    5,261
    Likes Received:
    7,881
    Location:
    West Norfolk
    Ours go down to 20% and charge in 4 hrs and they are only £120 each!
     
    • Like Like x 3
  6. laird of Dunstan

    laird of Dunstan Funster Life Member

    Joined:
    Feb 15, 2015
    Messages:
    1,138
    Likes Received:
    3,059
    Location:
    lincolnshire
    Lots of useful and interesting information there, having a a rethink about solar panels now
     
  7. chaser

    chaser Funster

    Joined:
    Feb 16, 2013
    Messages:
    7,141
    Likes Received:
    7,730
    Location:
    uttoxeter
    Well I can't argue with experts in this field but in my experience you can get battery's charged up down to about 6v , we have tractors and diggers here that don't charge, so they are run till they are flat then charged with an aldi charger and they last for years, sometimes we have to hook them up to a full battery to get the charger to start , but we have a jcb that's had the same battery for about five years on this regime, I went to it yesterday , hadn't been started since January and it struck straight up
     
    • Like Like x 1
  8. chaser

    chaser Funster

    Joined:
    Feb 16, 2013
    Messages:
    7,141
    Likes Received:
    7,730
    Location:
    uttoxeter
    Btw, anyone who has a flat battery that won't charge, have a try at hooking it up to a full battery with jump leads , and then try your charger on it, you might just be surprised , before you chuck it away.
     
    • Like Like x 2
  9. eddievanbitz

    eddievanbitz Trader - Funster

    Joined:
    Oct 4, 2007
    Messages:
    3,554
    Likes Received:
    11,099
    Location:
    Taunton Somerset
    It is an opinion, an interesting read, but it remains an opinion.

    For example the reference to alternator heat sensors when decrying Sterling equipment questions

    The newer b2b units don't have a alternator temperature sensor and the advice was not to fit the alternator sensor when installing the older ones.

    Air flow of a vehicle is different to the "Noair flow" of an engine tucked down in an engine room, on a boat.

    We have fitted hundreds of Sterling B2B's and have never seen a damaged alternator as a result of one being fitted, so I would like to know where the evidence is? But as In my opening paragraph I said that it is an opinion nothing else, and not read as fact.

    Overall interesting but written by some one who loves Schdaudt equipment but doesn't rate Sargent or Sterling equipment.

    I am happy to have "perhaps" a slightly shorter" battery life for a faster charge regime and more usability to be honest. So my German made 100 amp multi stage charger will easily handle charging my battery bank.
     
    • Like Like x 4
  10. Lenny HB

    Lenny HB Funster

    Joined:
    Oct 18, 2007
    Messages:
    5,251
    Likes Received:
    5,047
    Location:
    West Sussex
    This speel by A&N has been discussed on most Motorhome forums time & time again including this one. Their raving about about Bosch S5 batteries is unfounded there is no long term evidence to back up there opinion. I doubt if there are more than a handful of Motorhomes that have used these batteries as a leisure battery and until there is meaningful evidence I will stick with what I know works.
    My current van has Banner AGM batteries, my personal preference is Gel batteries, both have good & bad points & I don't want to start another debate.
     
    • Like Like x 1
  11. eddievanbitz

    eddievanbitz Trader - Funster

    Joined:
    Oct 4, 2007
    Messages:
    3,554
    Likes Received:
    11,099
    Location:
    Taunton Somerset
    They would be better explaining why the Germans love mixing wet lead acid batteries and GEL batteries in parallel lol
     
  12. stephen harwood

    stephen harwood Funster

    Joined:
    Nov 2, 2014
    Messages:
    540
    Likes Received:
    372
    Location:
    bridgwater
    that eddie is clever
     
    • Like Like x 1
  13. gillnphil

    gillnphil Funster

    Joined:
    Apr 12, 2010
    Messages:
    897
    Likes Received:
    3,406
    Location:
    West Suffolk
    Very interesting article. But I still have the original Exide G 80 gel batteries and they are still working after 9 years. Think I will stick to what I know.
    Phil
     
    • Like Like x 2
  14. oldflemo

    oldflemo Funster

    Joined:
    May 7, 2013
    Messages:
    2,165
    Likes Received:
    634
    Location:
    Redcar- N.Yorkshire
    Hi jonandshell -Can I please ask which batteries you are using-----sounds very good indeed at that price
    Ian
     
  15. Jaws

    Jaws Funster Life Member

    Joined:
    Sep 26, 2008
    Messages:
    18,347
    Likes Received:
    21,705
    Location:
    Narrfoook
    A point missed by almost everyone who is not in the know, is that gel batteries do require a completely different charging system to standard lead acid jobbies
    A 'normal' battery is charged with a varying voltage and set amperage ( which does actually vary in the real world ) while a gel requires a completely stable voltage and varying amperage
    Using a non gel type charger on a gel unit will work, but it will greatly reduce the life expectancy of the battery ( and I mean about about 80% less ) as a standard lead acid charger may have voltages going up as high as 16v ! ( gels tend to max at ABOUT 14.2v )
    This is why most modern HM's have either a switchable system or, if gel fitted as OEM equipment might only have a gel type charging circuit
    It is also why any decent solar panel regulator has different settings ( or indeed as mine, detects and auto switches between types

    This from:
    http://www.batterystuff.com/kb/articles/battery-articles/battery-basics.html

    A very helpful and basically 'sound' page of info..

     
  16. funflair

    funflair Funster Life Member

    Joined:
    Dec 11, 2013
    Messages:
    4,485
    Likes Received:
    4,740
    Location:
    Guisborough
    Possibly this is why some people swear by GEL's and other swear about them. Our MH was designed to use GEL and has the relevant charger and setting including the solar regulator. Same experience as @gillnphil that our standard 2x G80 GEL'S are over 9 years old and still going strong.
     
    • Like Like x 2
  17. Techno

    Techno Funster Life Member

    Joined:
    Jul 28, 2010
    Messages:
    13,859
    Likes Received:
    14,509
    Location:
    Leeds the one up North
    This is posted nearly as frequently as gassing lately :LOL: A&N are certainly getting a lot of advertising
     
    • Like Like x 4
  18. funflair

    funflair Funster Life Member

    Joined:
    Dec 11, 2013
    Messages:
    4,485
    Likes Received:
    4,740
    Location:
    Guisborough
    Eddie, do you mean by fitting GEL as Leisure and wet lead acid for the engine.

    I think our receive different charge voltages through the CBE, but I could be wrong...................Again.
     
  19. laird of Dunstan

    laird of Dunstan Funster Life Member

    Joined:
    Feb 15, 2015
    Messages:
    1,138
    Likes Received:
    3,059
    Location:
    lincolnshire
    Would a battery isolation switch such as I had on my boat be useful?
     
  20. Jaws

    Jaws Funster Life Member

    Joined:
    Sep 26, 2008
    Messages:
    18,347
    Likes Received:
    21,705
    Location:
    Narrfoook
    If you have a drain problem then yes.. But if not, or you have solar panels fitted, then proly no L o D.
    There is also the fact that an awful lot of clocks in control panels have to be reset if they loose feed voltage, so you may end up having to reset the time whenever you use the isolator
     
Loading...

Share This Page