Originally posted by clarence
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There is something that appears to not make sense with what you are saying here however, unless I am misunderstanding what you were trying to say.
Previously when you were connected with your current setup to the mains you said it was only drawing 0.07 Amps from the mains. So, if everything is working pretty much the same now when using a battery and inverter instead now, and your inverter is OK up to 10 Amps max, there should be no problem at all with powering all the same kinds of loads connected at the output which you said were pulling around 25 Amps from the ground wire previously. The current draw from your inverter should still only be 0.07 Amps if it is working the same as it was when connected to the mains. Therefore the 10 Amp current limit of your inverter should not be any issue at all. You should be able to use even a small 20 Watt inverter and it should still be able to work fine powering all those same amount of loads as you had connected previously. I would guess I am not the only one who is wondering about this. Why would your inverter need to be rated at higher than 10 Amps if it is working the same as when you were powering from the mains? The current draw from the inverter should only be 0.07 Amps if it is working the same, whether you have light loads or heavy loads connected, as I believe that is how you said it was performing when powered from the mains.

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