Building a 32140 LiFePO4 battery

Ep. 30 | One video teaches you how to build a 21700 pack — never worry about long-range battery again

Build a 21700 pack in one video — long FPV range

AWithZ UF20B supercapacitor spot welder: small size, big power

Hand-building FPV drone packs, part 1! Not easy to make

Episode 732

Ep. 178 | The welding pen’s lead blew up on me before, mates. On a viewer’s recommendation, it gets a jacket — feels a lot safer

A follower asked whether the AWithZ UF20B can weld copper stacked directly; I said probably not, he said support says it can with flux. Fine — if you don’t believe me, don’t ask me again, the video is right here, see for yourself. The welder is the AWithZ UF20B from my showcase, upgraded No. 6 welding pen: copper straight on vs copper on a nickel base. Also found some followers haven’t even figured out nickel base layers… mainly I turned the power bank into a 30000mAh one, and it’s a joy

Welder at gear 60, welding 0.05 copper + 0.12 nickel-plated steel strip — the results

A must for battery welding: a solid weld in 1 second, plus how to stack the sale discounts

Never serve low-end customers — deep down they don’t recognise your value

Episode 183 | When you want nothing and nothing matters, what do you do? Keep sinking, or look for something that makes you happy and try to cheer up! Life is just an experience — make sure you enjoy it

0.15 copper stacked on nickel-plated strip, the result)