The delivery was quick and easy and all evaporator arrived intact.
I use them already for a long time and can say that they serve their purpose as far. You are using the rechargeable batteries that I have, compatible and tasted them convince me. With a charred taste I have not had to fight.
I still have not "thoroughly tested" all evaporator, but the ones I have in use, fulfill my expectations and for the price they are really good.