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leisure battery to van battery

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leisure battery to van battery Empty leisure battery to van battery

Post by Intransit Fri Jun 18, 2021 8:17 pm

Hi,has any one fitted a charging system to a amethyst which will trickle charge the van battery when the leisure battery is full? is there a kit to be had,advice would be welcome.regards
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Post by Paulmold Fri Jun 18, 2021 8:24 pm


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Post by Roopert Fri Jun 18, 2021 10:17 pm

There is also a similar product by Votronic called a Standby Charger, which is cheaper and has (IMO) a better spec - but it doesn't seem to be stocked by any UK suppliers that I could find at the moment.
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Post by rogerblack Sat Jun 19, 2021 12:25 am

I have had BatteryMaster fitted on both my current van and previous and it has worked very well over more than 20 years. Fit and forget, it transfers charge anytime the engine battery drops half a Volt or so below the leisure battery, with the charging current limited to 1.1 Amps to avoid spikes, so will make up for any drain from e.g. the alarm system even when the van is not connected to hook-up. 

It's a very small, lightweight sealed unit which is very easy to connect and doesn't need mounting screws, I use a small Velcro pad to mount it on the side of the driver seat box by the leisure battery and relay/fuse block. It has a built in green/red LED so I can easily tell when it's transferring charge.

I have no personal experience of the Votronic unit but as far as I can see from the spec, the Votronic only works whilst the leisure battery is being charged: 

"Activation of the unit is automatic and it only operates when it senses a charging voltage at the leisure battery"

which means only when on hook-up (or I guess if you have solar?).

This may be OK for some but our circumstances mean that our van is sometimes left where hook-up is not available for long enough that the alarm would drain the engine battery to an unacceptably low level, so the BatteryMaster is the best solution for us.

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Post by FreelanderUK Sat Jun 19, 2021 5:15 am

I would also recommend the battery master, fitted to my WXL and was fitted to my previous Autotrail, never once had a flat battery whilst parked up

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Post by Intransit Sun Jun 20, 2021 11:37 am

thank you for your advice..will go and investigate ..let you knpw how I get on.
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Post by Bernie12 Mon Aug 02, 2021 8:32 am

Another vote for Battery Master. Really is fit and forget and easy to fit.
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Post by inspiredron Mon Aug 02, 2021 11:57 am

Votronic available at RoadPro and 12v Planet £34.99 (plus shipping) or £26.71 plus £6.50 shipping at Outdoor Bits when it comes in (I don't think they hold much stock!)

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