Inverter question about 12v draw
At 50 watts of draw at 110v, how much will an inverter draw off house batteries? I know 50 watts at 110v equal about .45 amp. What is the formula for converting it to 12v less the efficiency loss of...
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My dish receiver (211Z or hopper) and 45" tv pulls about 9 amps. My dish receiver and 32" tv pulls about 7 amps.
