[daveinaz]

So, it looks like our fridge only uses 1.4 amps... So if I multiply that by 120 = 168. Am I correct in thinking that it only needs 168 watts to operate?? And if I multiple that by 2 (336) or even 3 (504) for start-up surge, then a 1000 watt inverter should be plenty, correct? Or am I missing something?


And for those of you who are good at math (not me), I have two size 27 12V batteries in parallel. Each battery has these specs: 20 amp hour rate:90, Minutes at 23 amps:200, Minutes at 25 amps:175.


I know the fridge wouldn't be pulling juice all the time, but assuming a constant discharge rate of 1.4 amps, how many hours would my batteries provide juice to it?

Thanks.

(Is this right? Each battery has a 20aH rating of 90. That means it'll give 4.5 amps for 20 hours? or 2.25 amps for 40 hours? and since the amperage is doubled from batteries in parallel, the two of them would give 2.25 amps for 80 hrs?)