Anyone know the wattage of a TomTom Satnav, can't find this info anywhere?
- artherLv 58 months agoFavourite answer
not enough to worry about I guess, measure how much current its useing while running?
- The DevilLv 78 months ago
Use an amprobe on the power cord. to see what current it draws. Use a voltmeter to see how much voltage the power cord carries. Multiply the amps times the voltage. You could just open it up and look at the battery and go by the current and voltage it supplies.