I'm so gd irritated right now. I removed the 22awg wires from battery input to "attempt" to solder on some 20awg wires for the input from the battery, i can not solder these gd things on for the life of me. Either the tip on this thing is so gd horrible that it isn't heating things up properly or i just suck at soldering. I ordered new tips and a cleaner, gonna put this down before i break the dam thing.
Back to waiting for parts.
Cleanliness is really really important here. So is good flux. Almost all metals have an oxide layer that develops on them, and this oxide is the enemy of a good solder joint. The whole purpose of flux is to remove the oxide, sometimes the flux in your solder isnt enough. Also different fluxes are available for different situations. Good old Kester 44 flux has always done well with basic soldering. I used acid flux for the SS 510, but you do have to clean all the flux off afterwards as it is corrosive, and I wouldnt use it on a PCB ever.
Check out that video link I posted, I really think it might help a bit. Also, scrounge up some old junk piece of electronics and practice soldering on that PCB, practice will certainly help.