Power Inverter
I just installed an apartment type refrigerator and want to install a power inverter to run it while I am traveling. What I need to know is what size cables do I need to hook it up to my batteries. I ...
Forum Discussion
Gdetrailer wrote:
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Energy star is an "average" of 365 DAYS of "usage".
So 400 Kwhr usage over 365 DAYS, but the compressor is not RUNNING ALL DAY. So your "math" is flawed by "assuming" 24/7/365 COMPRESSOR OPERATION..
In reality the 400 Kwhr is used 20-25 MINUTES per hr or 600 MINUTES per DAY (which is 10 HOURS MAX PER DAY).. or 3650 HRS PER YEAR..
As I stated, the REAL number is closer to .75A at 120V and not what you came up with (.38A at 120V).
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No idea how you did your calculations based solely on an EnergyStar rating of 400KWH per year.
Here's how I did mine: http://www.mediproducts.net/blog/how-many-amps-does-a-refrigerator-use-over-time
And my apologies to the OP for the off-topic.
