Battery sizing worksheet – Xantrex Technology 3000 User Manual

Page 51

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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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