Originally posted by Aku-Man
Two different soldering irons have same temp at 480deg C, one is 28W and other is 60W. What is the difference? Both have same temp.
The more powerful iron will keep the heat in the tip better.
Put a low power iron on something that acts as a heatsink (like a motor or battery), and it will take the heat out of the tip faster than the iron can put it back in. So you won't melt that solder.