PROSINE 2.0 INVERTER•CHARGER USER’S MANUAL
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Battery Bank Sizing Worksheet
The following worksheet is a guide to help you determine your battery needs.
Be generous in estimating the time for which you will run each of the loads to
ensure sufficient battery capacity.
Table 12 Battery Sizing Worksheet
Appliance
(A)
Power
Consumption
(B)
Operating Time
per day
Daily watt-
hours needed
for this
appliance
(= A x B)
WhoursWh
WhoursWh
WhoursWh
WhoursWh
WhoursWh
WhoursWh
WhoursWh
WhoursWh
WhoursWh
WhoursWh
WhoursWh
WhoursWh
Total Daily watt-hours of AC load Wh
x Number of Days between charges
= Total Watt hours of AC load between charges Wh
Battery Ah used between charges
(divide by 10 for 12V system, divide by 20 for 24V system)
Ah
Recommended Battery Bank Size in Ah (multiply by 2) Ah