On Sun, 16 Dec 2007 14:00:18 +0000, Peter Scott wrote:

Thus if my calcs are
correct you need 83 Ah, which might need to be doubled to allow for
inverter inefficiency.

I find my invertor is about 80% efficient. It draws 10A @ nominal 12V
for every 100W of 240Volts it pushes out into a resistive load, so no
power factor stuff is taken into account.

--
.................................................. .........................
.. never trust a man who, when left alone ...... Pete Lynch .
.. in a room with a tea cosy ...... Marlow, England .
.. doesn't try it on (Billy Connolly) .....................................