1 Don't do this! (There's a much safer way)
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.
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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.
Big Clive examines TP4056 charger boards and argues that running a load while charging is less dangerous than often claimed, a point people cite in battery project debates.
Big Clive's guide to salvaging cells from discarded vapes is often recommended, particularly for its clear coverage of TP4056 charger boards and adjusting their charge current.
Suggested by people wanting low-cost backup power for small projects, with Andreas Spiess assessing a very cheap 18650 board that commenters found effective.
Walkthrough of the TP4056 lithium charger module in use, cited for showing battery connection and charge behaviour on an older board revision.