Forum Discussion

bighatnohorse's avatar
bighatnohorse
Explorer II
Jul 14, 2016

DC current pull from a 150 w inverter with 14 w load?

Here's the set up: A 150 watt inverter is being used to power a small 14 watt appliance. (The inverter is a Tripp Lite and claims a 90 percent efficiency.) How much 12 volt DC current will be requ...
red31's avatar
red31
Explorer
Jul 14, 2016
15.6 watts in x .9 eff = 14 watts out = 120v x .116A

15.6 watts = 12v x 1.3A

@80% eff, 17.5 watts in, 12A x 1.46A

About Technical Issues

Having RV issues? Connect with others who have been in your shoes.24,283 PostsLatest Activity: Jul 17, 2025