Toby wrote:


One point with the sort of UPS for PCs such as the APC ones, are they won't
power something from cold.
That is, if you've got one charged up but not plugged in, then just plug an
item into one of the outlets you won't get any power provided. If it's
receiving a mains input and you subsequently remove it, then the power is
maintained at the outlets.


What on earth motivates manufacturers to design in this particular
unhelpful feature? I can't think of a good technical reason, can anyone
else?

Bob

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