In article ,
Chris Green wrote:
David wrote:

It is a few years old and doesn't match the new one in the caravan so
just linking the two together may not be the best option.

If they're both the same technology (i.e. lead acid, liquid
electrolyte - or - lead acid, gel - or - whatever) then I don't really
see any problem with simply parallelling them to get the 'extra' one
charged. It would probably be worth disconnecting it if leaving long
term.

You need well above the nominal battery voltage to charge it fully.

--
*What was the best thing before sliced bread?

Dave Plowman London SW
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