Recommended · for beginners
Don't do this! (There's a much safer way)
Why people recommend it
Big Clive looks at cheap single-cell lithium charging and protection modules, often linked as a caution against bad wiring and to explain which terminals go where.
Watch for: Worth watching before connecting a cell to USB
In their words
And here's Big Clive talking about basic 1-cell BMS's bought dirt cheap off eBay, and pointing out there's no earthly reason to dangerously hotshot them straight a supply such as a USB cord.
Harper - Reinstate Monica on electronics.stackexchange.com, Oct 2022. CC BY-SA.
