I said theHow did you determine that it pulls 16 amps@120VAC?

Here is my napkin math.

18 amps @ 55.2VDC = 993.6 dc watts

993.6 dc watts / .75 conversion efficiency = 1324.8 ac watts

1324.8 ac watts / 120VAC = 11.04 amps

**max**amp usage from what I see on the sticker is 16 amps.