Amperor 25amp charger

Discussion in 'Tech/Mech General' started by mustaphapint, Mar 28, 2016.

  1. mustaphapint

    mustaphapint Funster

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    I bought and fitted one of these chargers a few months back as the Schaudt unit has never charged in our MoHo.
    http://www.motorhomefun.co.uk/forum...for-zig-charger-any-good.120346/#post-1654354
    Does anyone know which kind of batteries it is best suited to? ie normal wet or gel?
    There doesn't seem to be any switch like there is on the Schaudt. I was going to email Amperor and ask but their website is under maintenance.
    Max voltage is 14.4 and float is 13.8
    I'm about to buy 2 new batteries so I'd rather buy wisely.
     
    Last edited: Mar 28, 2016
  2. Reallyretired

    Reallyretired Funster

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    I think you would need wet batteries as I think gels have to be charged at a lower rate. No.doubt an expert will appear shortly.
     
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  3. mustaphapint

    mustaphapint Funster

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    I did get a response from Amperor when I emailed them. They said that although it was meant for a lead/acid battery it should be OK for gel batteries as well but to check with the battery manufacturer that their batteries can accept a charging voltage of 14.5
    I'm confused over the term float charge though.
    There are 2 settings, float or 3-stage
    The Amperor instructions are that if there is a battery in the circuit it should always be set to 3 stage. This means it charges at 14.4 volts for so long, then it reduces a bit and then when fully charged drops to a float charge of 13.8 volts.
    But if I choose the float charge setting, which puts outs a permanent 13.8 volts apparently this could overcharge the battery(s).
    They also said that if the MoHo is not in use then I shouldn't leave it permanently on charge. Just top it up every 2 or 3 weeks or so.
     
  4. peterc10

    peterc10 Funster

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    Thr difference between lead acid and gel is more about how long the peak charge is applied.
     
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