Xantrex Freedom SW 230V Installation Manual page 75

Table 6 Battery Sizing Worksheet
Appliance
Total daily watt-hours of AC load
× Number of days between charges
= Total watt-hours of AC load between charges
Battery Ah used between charges (divide by 20 for 24 volt system)
975-0697-01-01
(A) Power Consumption
(Watts)
W
W
W
W
W
W
W
W
Recommended Battery Bank Size in Ah (multiply by 2)
(B) Operating Time per
Day (Hours)
hours
hours
hours
hours
hours
hours
hours
hours
Battery Information
Daily watt-hours needed
for this appliance
(= A × B)
Wh
Wh
Wh
Wh
Wh
Wh
Wh
Wh
Wh
Wh
Ah
Ah
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