The battery builders club

So curious about the innards of my Unik flex battery and purchased this second hand. I opened her up and found some stuff that made me question…you know safety.

My concerns (may be right or wrong, please advise here master builders)

  1. Spaghetti monster balance leads.
    A) overlap
    B) long and soldered (assumed) & heatshrink connected to extend
    C) Lack of insulation from cells/ buckle
  1. Folded nickel connecting every other p group - I know there won’t be much lateral flex but enough even small over time wears that shit down.

  2. nickel not trimmed/rounded. Especially at the battery ends where rub can and I’m sure will happen with flex.

Anything I’m missing gents?

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