[TR] An electrical query

[John Innis]

You are spot on about the 12v output form your generator not being intended
to charge a lead acid battery.  Just hook your trickle charger up to your
230v generator output, and you will be all set.  Solar cells will work,
slowly.  to charge a 100amp battery from a 60w solar cell is going to
require a long period of very direct sunlight.

On Fri, Sep 2, 2016 at 7:50 AM, John Macartney <john.macartney at ukpips.org.uk
> wrote:

> Hi, Listers
>
> There are lots of you out there with far more electrical know-how than me
> and I'd really appreciate your input - even though my question has nothing
> whatsoever to do with Triumphs, apart from getting in the name on this
> post.
>
> Liz and I often use our trailer home in the UK at locations where there is
> no mains electrical supply and so are totally dependent on the 115amp
> leisure battery in our caravan. As Liz has a medical condition which
> requires daily use of a mains operated nebuliser for prolonged periods, I
> recently bought an 800w inverter generator that cranks out 230v and also
> has
> a separate 12v plug and lead with crocodile clips for 'battery charging'.
> Nebulising probs are thankfully now  a thing of the past but the thing is,
> even after running the genny for about 6 hours, my leisure battery was less
> than half charged from the 12v outlet, wouldn't take any more and
> stubbornly
> stayed stuck at 12.33 volts. Fully charged, the reading should be around
> 14.4v. I've since decided the 12v supply isn't really suited to battery
> charging and is more for running a 12v TV or other trailer home accessory.
>
> As we enjoy going to 'more remote' locations than popular ones where 230v
> mains supplies are the norm, I'm still faced with a battery charging
> problem. It occurs to me that a way round this is to put my little but very
> trusty mains battery trickle charger (runs at about 4 amps) on the 230v
> outlet and see if this will work? However, I'm just a bit cautious this
> route might have some kind of corrupting influence inside either the
> generator circuitry or the charger - or both. Anyone BTDT and can advise? I
> carefully considered folding solar panels as an alternative re-charge
> source
> but good ones in the UK cost about $600 and that likely payback is longer
> than I can financially accommodate.
>
> All replies (off list) will be greatly welcomed.
>
> Cheers, Jonmac
>
>
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