Testing and evaluation of EVE IFR40135 cells from hakadibattery.com
These 20Ah LiFePO4 cells come pre-fitted with M6 studs for ease of assembly.
https://hakadibattery.com/products/eve-c40-lifepo4-3-2v-40315-cylindrical-grade-a-20ah-battery-cells?variant=47688983314637