Shunt Battery setting for new starter batteries

i’ve researched and even called the battery mfg but cant find the info. I have 2 Napa BAT7236 starter batteries and want to monitor w the new Shunt but cant find the info to setup the battery info - the website says its a 240ah but he mfg says its 90ah each. the rest of the questions they cant answer

  1. charged voltage
  2. discharge floor
  3. tail current
  4. charged detection time
  5. Peukert exponent
  6. charge efficiency factor
  7. current threshold
  8. time-to-go ave period

not sure if i just keep defaults or if it matters

thanks

The size of those batteries will be around 90Ah, the website I saw said 420Ah which is not physically possible. If you batteries are in.parallel capacity is 180Ah, if in series for 24V then 90Ah.