Off EHU how long will battery last

Discussion in 'Motorhome Chat' started by camocam1, Jul 13, 2013.

  1. camocam1

    camocam1 Read Only Funster

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    Never been off EHU and only have 1x 110amp batt and no solar panels
    So how long will the battery last to run TV and lights and pump etc
    Will run fridge off gas as assume
     
  2. DuxDeluxe

    DuxDeluxe Funster Life Member

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    Depends very much on the condition of the battery. TV will eat it. If lights are LED then no problem, I would expect a few days or more. Best of luck
     
  3. pappajohn

    pappajohn Funster Life Member

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    got to disagree......

    modern 15"/19" lcd tv will be around 20 to 25 watts.

    110ah battery will power it for around 25 hours continuously
     
  4. camocam1

    camocam1 Read Only Funster

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    Sorry should have said TV new low wattage (can't remember what) but only on for 10mins morning and night to get the news
    Lights not LED but again only on for about 30mins last thing at night
    Pump used quite a bit for showers in morning etc
    I assume if I'm driving once van batt fully charged it will then charge leasure battery
    Sorry not very technical and still trying to work things out
     
  5. pappajohn

    pappajohn Funster Life Member

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    yes and no......

    it will charge the leisure battery but very slowly.
    once the engine battery is charged, which doesnt take long, the charge current is reduced to a bare minimum and could take several hundred miles to fully charge the leisure battery.

    to rely on the alternator charge you would need a battery to battery charger >>CLICK HERE<< which basically fools the alternator into providing full current all the time
     
  6. lorger

    lorger Funster

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    Hi in our old van we didn't have solar panel and like you just had 1 x 110 batt and we lasted 10 days in the outer Hebrides without hook up. We did drive each day and due to long daylight we didn't use much.
     
  7. BritStops

    BritStops Trader BritStop Owner

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    We've been doing motorhome shows for a couple of years now. Each show is normally three days and nights off hook up, and we never had any problems lasting on one 110ah battery, with our daughter watching TV and using her DVD player. Only ran the battery down once, when it was freezing and we had the fan blower on for longer than the battery could copy with. About 20 mins idling the engine charged the battery enough to last till we went home (don't know if we had a battery to battery charger fitted as standard).

    Always meant to get a second battery fitted, which is apparently not too difficult a job, and a cheaper option before adding a solar panel. Cheaper still is to replace halogen bulbs with LED.

    As they say, IANAE, but HTH!

    Steve :Smile:
     
  8. mitzimad

    mitzimad Funster

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    in the old van we found the flourescents were the worst for knbocking the battery out we had 2 x2 tubes and it could only do a few hours
     
  9. MichelleRyall

    MichelleRyall Funster

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    We have done 4 nights without EHU ( no tv though ) no problems at all with a similar battery and not driving in between. :BigGrin:
     
  10. Hayleylulu

    Hayleylulu

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    Sorry but untill it runs out :Rofl1::Rofl1:
     
  11. DuxDeluxe

    DuxDeluxe Funster Life Member

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    Modern TV - you are right but even at that level of use - it is realistically only a couple of evenings with use of lights etc, etc

    I've got an Avtex and in the old van even with low power lighting, the battery (new) didn't last more than three days when the TV was used heavily. New van has solar so no issues
     
    Last edited: Jul 13, 2013
  12. june123

    june123 Read Only Funster

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    EHU

    Wouldn't hurt to have a spare battery operated/rechargeable electric lamp with you. Can buy for around £20 or less. Good birthday/Christmas present?
     
  13. DuxDeluxe

    DuxDeluxe Funster Life Member

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    Ever the optimists, we have a couple of Coleman LED lanterns. Pretty good and very useful for power cuts at home as well
     
  14. camocam1

    camocam1 Read Only Funster

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    Thanks for all the replies just need to convince the boss that she can survive without her hair drier & straighteners
     
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