Class is in session, everyone — the ‘Whampoa Academy’ of the tool world

Can't fix it, but I'll build it — POV hand-made pack

[T.O.P.] Getting into FPV on a budget — making money from it is easy; DIY long-range packs and power stations, AWithZ

Second version of my low-cost DIY soldering iron: upgraded to Li-ion power plus a printed shell, more convenient to use

AWithZ high-power spot welder — welding lithium cells, handy and effective

AWithZ UF20B supercapacitor spot welder: small size, big power

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

Cells dead after two years without charging — repairing a Xiluopu scooter Li-ion battery

Re-celling a 48V Li-ion battery

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