cordless portable soldering iron

[ksr]

I am very interested to know how a cordless portable soldering iron
works with just three AA batteries.
What is the diameter, length,and resistance of the heating coil?

 

[Mike Harrison]

I am very interested to know how a cordless portable soldering iron
works with just three AA batteries.

Not very well - gas powered irons like the Weller Pyropen are MUCH MUCH better.