Calculate daily electric needs

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In order to know the electric consumption (in Watts) of your devices you may :

To calculate the dimensions of an autonomous solar installation, consider that it is wintertime (longer lighting time needed, but the fridge might be unplugged due to low temperature outside...) :

Equipment Power (Watt) Turn on
Number Daily use time Automatic consumption

Your daily electrical needs : 0 Wh/j
Your need in maximum electrical power : 0 W '?
Click here to introduce those values to calculate
the dimension of your autonomous solar installation