https://blog.seidel-philipp.de/wp-content/uploads/2017/09/diy_lithium_ion_battery_18650_cells-4.jpg 😉 as long u design n want https://himaxelectronics.com/wp-content/uploads/2019/11/3.7v-li-ion-battery-cells-lgdame11865.jpg
It's a thing of beauty. 🤣