Well, I received my solder and IB3800's from axxis-racing last week and just had to start this thread.
I was very impressed to say the least with the solder. In fact I have never used a solder quite like it.
After scuffing the ends of the cells I applied a touch of the special flux to both battery bars and cellends, applied heat and a touch of solder and as soon as the solder touched the flux it seemed to run into the joint.It worked quicker than any solder I have used before.This is a bonus as I have in the past killed the odd cell using the old solders due to too much heat/time.
Also, It is advertised as being of a lower resistance than std rosin solder and this shows in the extra top end and punch of my car last raceday.
I ended up resoldering every joint in my car, wow what a difference.
More than the difference between sport and team pack!
What is your experience with this stuff I'm keen to hear?