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Battery runtime chart (12V)

Load	50Ah	100Ah	200Ah	300Ah
50 W	9 h 43 min	19 h 26 min	38 h 53 min	58 h 19 min
100 W	4 h 52 min	9 h 43 min	19 h 26 min	29 h 10 min
200 W	2 h 26 min	4 h 52 min	9 h 43 min	14 h 35 min
300 W	1 h 37 min	3 h 14 min	6 h 29 min	9 h 43 min
500 W	0 h 58 min	1 h 57 min	3 h 53 min	5 h 50 min
750 W	0 h 39 min	1 h 18 min	2 h 36 min	3 h 53 min
1000 W	0 h 29 min	0 h 58 min	1 h 57 min	2 h 55 min
1500 W	0 h 19 min	0 h 39 min	1 h 18 min	1 h 57 min
2000 W	0 h 15 min	0 h 29 min	0 h 58 min	1 h 27 min

12V LiFePO4, 90% usable, 90% inverter efficiency.

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