|
|
Model
|
Watts
|
Current used
|
Backup Time Hours
|
Backup Time hours
|
|
Available
|
Watts
|
internal batteries
|
extra 3 batteries
|
2000 VA
|
1600
|
400
|
6
|
12
|
2000 VA
|
1600
|
800
|
3
|
6
|
2000 VA
|
1600
|
1600
|
1.5
|
3
|
|
|
Model
|
Watts
|
Current used
|
Backup Time
|
Backup Time
|
|
Available
|
Watts
|
Internal batteries
|
extra 4 batteries
|
3000 VA
|
2400
|
600
|
6
|
12
|
3000 VA
|
2400
|
1200
|
3
|
6
|
3000 VA
|
2400
|
2400
|
1.5
|
3
|
|
|
|
As can be seen in the above chart, the 3000 VA UPS provides 50%more power than the 2000 VA or 50% longer backup using the same wattage
|
|
Examples of power drawn by various appliances
|
|
Computer Desktop inc Screen
|
150 - 200
|
Laptop computer
|
50
|
Laser Printer
|
1000-1200
|
Dot Matrix Printer
|
200
|
Ink jet Printer
|
35
|
Cell phone charger
|
10
|
Alarm clock
|
20
|
Small PABX
|
150
|
Cash Register)
|
220
|
Credit Card Machine
|
40
|
Small Photocopier
|
250
|
14" Colour Monitor
|
100
|
14" Mono Monitor
|
25
|
TV (25-inch colour)
|
170
|
TV (19-inch colour)
|
80
|
TV (13-inch colour)
|
70
|
TV (12-inch black & white)
|
15
|
42" Plasma TV
|
341
|
Video Games (not inc. TV)
|
20
|
Satellite System
|
40
|
Video Recorder (VCR)
|
30
|
CD Player
|
30
|
Small music system
|
55
|
DC Power Stereo (average volume)
|
15
|
Fax Machine - standby
|
10
|
Fax Machine - printing laser
|
500
|
Fax machine ink jet
|
170
|
Electric Typewriter
|
200
|
|
|
|