To 12v batteries or 24v batteries, this is a question.

johnxhc wrote:
Should I use 24v batteries in parallel connection or use 12v batteries series & parallel connections to construct the 24v system? does it make any difference at all either way?
All lithium batteries are identical and will be purchase same time.

Lithium? Just get a 24volt battery already. This will allow the BMS to better keep all in balance. Stack in parallel to meet the peak amp requirements of your inverter.

Something like this: (shop around)

https://nexgenbattery.com/shop/batteries/24v-100ah/