Daily Commute: American Electrons, not overseas oil
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How big is your battery backup supply? Mine is a 1000 Ah battery bank.
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ours is only 255 A/H nominal. about 12.75 kWh at 50 volts. But we can easily add on batteries. 12.75 kWh will last us at least 2 days, in emergency mode (some lights, computer, refrigerator, maybe microwave). We use less than 500 kWh per month, about 17 kWh per day, so emergency mode would be about one third of that, about 5 kWh per day.
liveoilfree 4 years ago