Monday, Jan 20, 2014 at 09:49
Bazz,
To guard against future similar occurrences you could install a voltage sensitive relay such as
this one to operate as a low voltage cutout.
Install it so that no loads are drawn direct from the battery, all loads are drawn through the relay. That way, if you forget something or there is a fault, when the battery gets down to a voltage you can set, say 11 volts, it will isolate the battery and not flatten it any further.
It imposes a slight load on the battery to hold itself on, 0.03amp (30 milliamps) and has a 10 amp limit. If your regular loads total more than that you will need to search for a different product.
Cheers
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