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Posted

get yourself a grand total which should not exceed 75% of the total capacity. Trade installers would actually measure these currents rather than rely on the specs leaflets, but that's another matter.

 

75%? 12 hours standby with an activation.

Posted

Hi, that's 75% of total capacity, he could go a bit higher though since the calculation is intended to ensure no overload whatsoever, I know I have in some circumstances. Ideally aim for the longest standby possible, during my last trouble shooting excursion I found a duff 2.1 battery where the occupants were frequently abroad...changed for 7ah added psu with a further 7ah. I think it worked out at a few days standby..can't remember exactly. 

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