Typical Battery Draw Of Common Appliances - Xantrex RV2012GS Owner's Manual

Operation

Typical Battery Draw of Common Appliances

Appliance
Single PL light
Computer
Color TV 13"
Blender
Skil Saw
Toaster
Microwave
Hot Plate
3–6
Watts 5 min
10 .1
100 1
200 2
400 3
800 6
1000 8
1200 10
1800 15
If the current draw at 120 Vac is known, then the battery amperage at 12 Vdc will
be 10 times the AC amperage divided by the efficiency (90% in this table).
Motors are normally marked with their running rather than their starting current.
Starting current can be five times running current.
Refrigerators and ice makers typically run about one-third of the time. Therefore,
their average battery current draw is one-third of what their amp rating would
indicate.
Amp Hours Consumed Over Time
10 min 30 min
.3 .7
2 4
4 8
8 17
17 34
23 46
28 57
44 88
1 hr 2 hr
1.3 2.7
8 17
17 34
34 67
67 133
93 185
114 227
176 353
975-0209-01-01
4 hr
5.3
34
67
133
266
370
455
706