Not sure of your model cooktop, but because of power requirements they work a little different. If using just one burner you can get the full 1500 Watts. which is about 12 Amps, but if you use both at the same time the power is split between each burner to only the max draw of 1500 Watts, or if trying to run both on high they would end up and half power each. As for pans, they need more than just a flat bottom, they must be magnetic. If a magnet will stick to their bottom they'll work. We've been using ours now to over years, plus we have a portable to use outside.