Wrapping up the final steps of assembling a 6S2P battery pack using JP40 cells! In this video, I’ll install the busbars, connect cables, and demonstrate spot welding with a copper-nickel sandwich (0.2mm copper and 0.2mm nickel). This method ensures low resistance and efficient current flow. Perfect for anyone interested in battery building or looking for tips on working with JP40 cells. Like and subscribe for more DIY battery projects and check out DIY500AMP.COM for battery-building tools and supplies!