Today I unpack All of the individual battery cells connect them up in parallel and then try to top balance the cells but I learned something interesting.
I got the battery cells from Shenzhen Qishou Technology Limited
https://qsolifepo4cell.en.alibaba.com/
I've had 2 lots from them so far and they've been absolutely brilliant.
The battery case I got from https://eelbattery.myshopify.com/