Originally Posted by
EBikeFL
Tough call, Metal Man
2) Try to get comparisons of other personal electrical devices in your wife's office that her coworkers use such as radios, heaters, personal laptops, etc.
+1
I would go so far as to collect the above data and input it into a presentation with a comparison to the battery charger.
I measured my 36v 3a charger and found that it used 187w or the equivalent of 2-3 lightbulbs