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

Page 54
Image 54
Xantrex Technology Freedom SW 2000 user service = Total watt-hours of AC load between charges