Xantrex Technology Freedom SW 2000 user service = Total watt-hours of AC load between charges

Battery Information

Table 7 Battery Sizing Worksheet

			Daily watt-hours needed for
	(A) Power Consumption	(B) Operating Time per Day	this appliance
Appliance	(Watts)	(Hours)	(= A × B)
	W	hours	Wh
	W	hours	Wh
	W	hours	Wh
	W	hours	Wh
	W	hours	Wh
	W	hours	Wh
	W	hours	Wh
	W	hours	Wh
Total daily watt-hours of AC load			Wh
× Number of days between charges
= Total watt-hours of AC load between charges			Wh
Battery Ah used between charges (divide by 10 for 12 volt system; divide by 20 for 24 volt system)			Ah
	Recommended Battery Bank Size in Ah (multiply by 2)		Ah

40 Freedom SW 2000 Installation Guide