3.8V Li-on battery charger

In this blog post I will show you an easy project that can charge Li-on batteries that have the built-in protection circuit. All you need is a 1A or higher rectifier diode, 1 amp linear adjustable voltage regulator(such as LM317), 240 and 680 ohm resistor(any wattage) and a 100 ohm trimmer(For adjusting the charging voltage).

Published by Justin Roeder

I am an electronics engineer and computer programmer that has autism. I learned by myself

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