To get around soldering if your having problems, a lot of us are
, could put lead between tabs and clamp around tab with a u shape of say copper, and I'm not sure were you live but some countries use earthing clamps to bond items to earth they are a small C clamp with screws for clamping to thin guage items and usually have a ring lug for connection could make them if your your handy, bent copper and set screws.
Another way is a termi-foil crimp (the weapon of choice ) if you can get some, squeeze on tabs, secretions bite in.
Iron Horse SGS Pro DH.
72V 16AH lipo. 3kW charging system.
Modded Crystalyte 72V/50A, regen, 3 stage overcurrent.
4060 ☆/\, 20mm cover holes.
Hyena supplied motor (much appreciated Onya mate)
5404 next build giant strata, A123 20Ah, 72/large.