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 Topic: Mains charging dual-battery setup?
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04/11/2010 at 7:44pm
Location: Cambridge UK
Outfit: Olpro Cocoon 4 or pop-up 1 man tent
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Hi all,
I'm looking into the possibility of installing some sort of mains charging facility for our division's first-aid treatment centre in St John Ambulance. Before you tell me off, it is very much along the motorhome line of design and may help others with motorhomes or doing their own conversions, so please hear me out!
Basically, we have the main vehicle battery in the cab, with a feed going to a second battery in the crew room (door on the left in the main body unit). This second battery is used for 12v lighting, communications radio, water pump, gas powered heater and to 3x 12v sockets for phone chargers etc. The feed between the two has a cut-off switch, so that the main battery cannot be drained when the vehicle is in use at events.
However, since we had a satellite tracker fitted we have had serious problems of both batteries being drained (when both left connected on purpose) when the vehicle is left stationary for a period of time. We have a small solar panel from my caravan in it at the moment but it's not really powerful enough.
My question really is, is there a charger device that we could install that is permanently connected to the main battery that we could wire to an externally mounted socket we could easily access to plug into the mains?
I have seen on a 52 reg. Vauxhall Zafira a 16Amp connector flush-mounted on the rear of the car to accept a mains lead for charging the vehicle battery, and when I asked the owner about it they said it was manufacturer installed. Would anyone know the charger device that uses?
This would be a lot easier than a normal battery charger or removing the battery to charge due to the location & size of the battery and also the varied crew who drive the vehicle - simplicity is the key really!
Sorry for the long post but thought the background info may help!
Thanks in advance,
Peter
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