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Estimated Device Runtime by Battery Capacity

Battery Size	Air Fryer	MIG Welder	Computer + WiFi	Light Tower	Circular Saw	Refrigerator	EV Example: Tesla Model S (7 kW Charge)
5 kWh	3.3 hrs	1.7 hrs	33 hrs	5 hrs	4.2 hrs	33 hrs (1.5 days)	0.7 hrs (≈14 miles)
10 kWh	6.7 hrs	3.3 hrs	67 hrs	10 hrs	8.3 hrs	67 hrs (2.8 days)	1.4 hrs (≈28 miles)
20 kWh	13.3 hrs	6.7 hrs	133 hrs	20 hrs	16.7 hrs	133 hrs (5.5 days)	2.9 hrs (≈58 miles)
30 kWh	20 hrs	10 hrs	200 hrs	30 hrs	25 hrs	200 hrs (8 days)	4.3 hrs (≈86 miles)
40 kWh	26.7 hrs	13.3 hrs	267 hrs	40 hrs	33.3 hrs	267 hrs (11 days)	5.7 hrs (≈114 miles)
50 kWh	33.3 hrs	16.7 hrs	333 hrs	50 hrs	41.7 hrs	333 hrs (14 days)	7.1 hrs (≈142 miles)
60 kWh	40 hrs	20 hrs	400 hrs	60 hrs	50 hrs	400 hrs (16-17 days)	8.6 hrs (≈172 miles)
70 kWh	46.7 hrs	23.3 hrs	467 hrs	70 hrs	58.3 hrs	467 hrs (19 days)	10.0 hrs (≈200 miles)
80 kWh	53.3 hrs	26.7 hrs	533 hrs	80 hrs	66.7 hrs	533 hrs (22 days)	11.4 hrs (≈228 miles)
90 kWh	60 hrs	30 hrs	600 hrs	90 hrs	75 hrs	600 hrs (25 days)	12.9 hrs (≈258 miles)
100 kWh	66.7 hrs	33.3 hrs	666 hrs	100 hrs	83.3 hrs	666 hrs (27-28 days)	14.3 hrs (≈286 miles)

Trailer Size Solar Capacity Chart

Solar Needed to Recharge Batteries Based on 7 Hours of Sunlight