Universal magnetic base build guide — the step-by-step build guide for the universal magnetic base is here

Universal magnetic base — step-by-step

Ep. 61 | Last time a friend asked for one made from 18650s — today we build it; the full build is in the video, please watch patiently

You can build a lithium pack at home

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

Beginner’s money-saving guide to hand-building lithium packs

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

DiY

Homemade jump starter: a DIY car emergency power supply, turning a bought Bluetooth-speaker shell into a car jump-start pack

Homemade jump starter, DIY car emergency power — turning a bought Bluetooth speaker shell into a car jump pack

A home-made jump starter from 18650 cells — only 2C cells, picked up for ¥20-odd on the Douyin store; DIY car emergency power, built into a bought Bluetooth-speaker shell

Hand-building a thruster Li-ion pack,

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

Immersive build, 12V high-capacity pack from Sony C6 high-drain cells — with a spot welder you need nobody, done in minutes

Diy

[Full reveal] Hand-building a ‘TNT’ C4-style power bank! Do not take it outside

Building a 12V off-grid pack from 18650

Anyone else burned by a power bank? I went for a battery spot welder — power-bank freedom! Totally hooked

The batteries I planted are ripe — picking a few to make a power bank