There are plenty of battery cable kits on the market with pre-made lengths and dedicated cable ends. We prefer to make our own battery cables at home using 1/0 or 2/0 gauge wire. You may see that 1/0 ...

Making battery packs is a common pursuit in our community, involving spot-welding nickel strips to the terminals on individual cells. Many a pack has been made in this way, using reclaimed 18650 cells ...