TechsawJune 14, 2022 1 CommentMake A 3.7v LI-ion Battery Charger Circuit 3.7v LI-ion Battery Charger Circuit Diagram : Components Needed : LM358 IC – 1No 1k Resistor – 4No 100k Resistor – 3No 100nf Capacitor – 1No 100uf/25v Capacitor – 1No 470 Resistor – 1No 1M …