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

Ep. 42 | Turning a storage box into a solar-charged outdoor power station? Build a fun, practical multi-function solar-charging outdoor power station from a plain storage box — so useful!

Bring 220V mains outdoors — DIY power station

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

A big power bank this easy? ~¥20 at home

DIY flashlight — 3×18650 + e-bike LED, under ¥20

Unboxing and testing a small handheld spot welder — very practical and handy

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

Universal magnetic base — step-by-step

The ¥9.9 mini fan I bought last year stopped charging — repaired with one bigger cell, no more runtime anxiety! The same home battery welder as in the video is in my shop window

Lithium batteries, spot welder — I recommend this one, compact and powerful

First-person immersive look at a day of repair work

A ¥25 ‘brushless’ handheld car vacuum bought online — opened up, it really is a brushless motor

AWithZ U3 welder — build your own 18650 pack, tutorial

Fixing a fan’s laptop battery that died in storage

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

Fixing a dead laptop battery for a follower

Sharing a handy DIY tool today: the AWithZ handheld spot welder

A first-person, immersive day in the life of an appliance repairman

Appliance repair ep. 260: vacuum cleaner battery replacement

Spot-welding power-bank cells with the AWithZ portable welder. Spot-welding power-bank cells with the AWithZ portable welder. After long use a power bank's capacity drops. A shame to throw it away; swap in a few high-capacity cells and it works again

A neat trick for welding Li-ion cells

AWithZ portable Li-ion spot welder — building a power-tool battery pack with the AWithZ portable welder

Ep. 127 | Skip one meal and you can own a handheld spot welder — build your own packs at home

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

Re-celling a 48V Li-ion battery

Appliance repair ep. 258: Xiaomi car washer battery replacement