To anyone wondering, this pack is still used to this day. Almost 1000km on board.
At most it was used at 56A discharge on a hot day with no signs of overheating (besides motors cooking)
I had to come back once and fix a cracked solder (most likely moved the cable before it cooled down and compromised the solder), and i do admit that it could have potentially lead to some melted abs plastic and even worse from there if left unchecked.
Luckily the power loss is very obvious from 3p to 2p in a pack and it was fixed before being put back on the road.
So… maybe not so shit at the end of the day? I’ll post when it catches on fire
P.s.: do NOT do what i did to measure the voltage there. Nearly cooked my fingers next attempt