Estimating Battery Requirements
975-0128-01-01 B–5
Battery Sizing Worksheet
Use the following worksheet to calculate your battery needs. To ensure
sufficient battery capacity, be generous when estimating the operating
time per day for each of the loads you will run.
Appliance
(A) Power
Consumption (Watts)
(B) Operating Time
per Day (Hours)
Daily watt-hours needed
for this appliance
(= A x 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
x Number of days between charges
= Total watt-hours of AC load between charges Wh
Battery Ah used between charges (divide by 10) Ah
Recommended Battery Bank Size in Ah (multiply by 2) Ah
XPower3000.book Page 5 Wednesday, December 10, 2003 6:52 AM
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