17-second hardware-store sales pitch: weld batteries without asking anyone or using a soldering iron — a handheld rechargeable spot welder welds nickel strip onto cells really solidly, power / time adjustable, charges from a phone charger, really handy
Welding batteries — no need to ask anyone for help and no soldering iron; this is a handheld rechargeable spot welder that welds nickel strip onto cells, and the welds are really solid; welding power and welding time are both adjustable; a phone charger is enough to charge it, really handy to use. All comments are ‘share’.

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