I agree it looks a little bit sloppy, but is there any BMS or Cells failures reported?
About the soldered connections, here is what the user 'Tesla Tap' wrote:
While I've never used the Ohmmu battery, I don't see the concern over having soldered connections
over bolted connections. Soldered connections will last a lifetime. Bolted connections can come loose,
and having a bolted connection inside a battery would be a very bad design.
The recently added Bluetooth App provides certainly a practical diagnostic status,
but a graph showing the Soc time line would be very usefull and is missing