Vizio VO47L LCD HDTV Review - Power Consumption
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By Alfredo Padilla
Published on September 08, 2008
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Power Consumption (8.13) 
At a cost of $37.40 per year for power the Vizio VO47L's power consumption is just above average. We test power consumption by setting the screen's brightness to 200 cd/m2, a level that is good for watching in dark or lit conditions. We play back a standard sequence and get an average power use of six minutes. As with all LCDs how high you set the backlight will have a significant impact on your power consumption. You can see below that setting it to maximum pushes your annual cost up to $60.67. This assumes watching five hours of television a day and uses the average national cost for electricity. For this reason we recommend that you keep LCD displays at the lowest backlight setting you find comfortable.
| Setting |
Average Watts |
Cost Per Year |
| Minimum |
93.2 |
$18.31 |
| Calibrated |
191 |
$37.40 |
| Maximum |
310.2 |
$60.67 |
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