12V DC to 220AC + calculations

From: "mark2006" <iKolar26@xxxxxxxxx>
Date: 24 Sep 2006 10:30:40 -0700

Hi to all !

I need some help with calculation.
I have 12 DC car battery and convertor for 220 AC with 150W output.

Questions:

1.) If i have constant load on this converter and if i pull 150W all
the time, how long can i use 12DC battery ( before new charge ) ?

2.) If i would have 24V battery at 15A, that would give me 360W. Again
the same question... how long can i use this 360W output ?

Please be so kind and give me some formula ( so i can make my own
calculations), and some optimal results for such case.

Thnx!

Mark

.

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