Here's one of the packs. The bars dont look like they were soldered on, but it could just be a small amount of solder behind them (there are a few little "punch" holes in them). The cells with 0 volts are on the left.
Losi 8T 1.0, Savage Flux - XL style, LST XXL, Muggy, 3.3 E-Revo Conversion and sitting outside 425hp, 831 Tq Dodge Ram Turbo Diesel. It SMOKES