Episode 48 | The angler’s arms are all red

Ep. 37 | Batteries? I can’t repair them, but I can build them

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

Ep. 41 | Whatever you like watching, I’ll make it — what else can I do

Ep. 56 | Reborn as the ancient Greek god of labelling

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

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

First-person, immersive — a day in the life of an appliance repairman

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

First-person immersive look at a day of repair work

A first-person, immersive look at a day of repair work

Fixing a fan’s laptop battery that died in storage

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

First-person, immersive — a day in the life of an appliance repairman

First-person immersive look at a day in the life of an appliance repairman

Fixing a dead laptop battery for a follower

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

Repairing a Philips shaver with a new battery so it lasts another 10 years. After years of use it died a few minutes after charging; now with a higher-capacity cell it runs twice as long as new

Boston 5300 Li-ion 24V 8P6S pack picked up at a scrapyard, repaired successfully — but no BMS; ordered one online and will test capacity when it arrives

First-person, immersive — how to fix a speaker that won’t turn on

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

First-person immersive look at a day in the life of an appliance repairman

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

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

48V Li-ion battery cell-replacement repair

Flyco clipper battery died, replaced with a portable spot welder. Dug an old-stock Flyco clipper out of the warehouse, battery gone, needed new cells; none of the flat-top cells I bought reached 400 capacity, so I had to buy button-top, which have plenty — fitted them, and it now runs twice as long as new. The portable spot welder works great too, welds very solid

Appliance repair ep. 258: Xiaomi car washer battery replacement

Appliance repair ep. 259: replacing a vacuum cleaner battery

Once you’ve mastered hand-building Li-ion packs you’ll never buy a power bank again — all the old power banks at home can be re-celled! Haha

How to build a 12V outdoor-power Li-ion pack from 18650 cells