CelCapz by Vruzend UK Battery Build Kit 18650 Cells No Solder No Spot Welding.
Buy 8 or more CelCapz kit 80 and receive a free 5.5mm nut driver, 6x free stacking connectors and a CelCapz finishing kit. CelCapz Ultimate Battery Build Kit for 40X 18650 Cells No Solder No Spot Welding.