“How long do you estimate this battery would run a tv rated at power consumption of 40 W?”
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Probably about 15-20 minutes. Should be more than adequate to turn the TV off safely in the event of a significant power outage. If you need to run electronics or appliances for longer periods of time, it would be wise to consider an external back-up generator that could power certain circuits or your entire home.
Sorry, there was a problem. Please try again later.The unit has a readout that provides useful information such as amount of time that it will provide a power supply given the existing load. Mine shows I am using 20 watts and that the power will be supplied for 179 minutes. I can't say whether you can divide that in half to get your mileage, but at least it should give you an idea.
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