Nigel Goodwin Super Moderator Most Helpful Member Jan 24, 2012 #2 Simply multiply them together to give watts (W=VxI)
I irfan bangash New Member Jan 24, 2012 #3 thx voltage X amps = watts V X A= watts 12V X 1.73A = 20.76 watts bulb Last edited: Jan 24, 2012