How to Solder to Sigmaclad
Process for Voltage Taps:
look where the taps are on the other segments, use these locations so wires route easily without pinching
IPA each of these spots on the sigmaclad, put a lot dw it won't short anything
scrub vigorously with the black pcb cleaning brush until IPA is gone
tin the green fat angled hakko tip. only this tip will work don't use any others
heat up the bus bar using the iron. you'll have to hold it on there for 15-30 seconds with pressure to heat up enough
break off a small piece of solder, don't go off the spool cause shorting risk. thread into the bus bar
keep doing this until there's a big glob of solder similar size to the other taps
quickly lift the iron off, the joint should remain shiny
measure and cut wire to length, make them all like 2x the size needed (can reference the other segments)
put white electrical tape on the side which will be crimped
strip the tap side, this should be a good amount as long as the solder glob
tin the stripped end with flux + solder
position the stripped end on the solder glob and reheat. this will take 30 seconds ish
14. use kapton tweezers to push tap in while heating with ur other hand
15. take the iron off while tweezers still pushing it in
16. inspect the joint to make sure the wire is fully under the solder glob
17. repeat for all taps. do not cut multiple taps at once or you will short cells to each other
18. prime the epoxy gun on shop cloth and apply a small amount of e120hp between the wire insulation and bus bar for strain relief. use shop cloth to clean mess
19. let cure for 2 hours
Additional Notes:
also only use the orange 22 awg wire, anything thicker will not stick through
don't tesa tape i'll do after cured