Great idea Single Circuit 3.7 V 1S and 2S Battery Charger Circuit /LM358 High Precision Auto Cut-Off - YouTube
![Li-ion battery charger circuit (source ref. [21]). | Download Scientific Diagram](https://www.researchgate.net/publication/241379567/figure/fig8/AS:341888814075922@1458524053703/Li-ion-battery-charger-circuit-source-ref-21.png "Li-ion battery charger circuit (source ref. [21]). | Download Scientific Diagram")
Li-ion battery charger circuit (source ref. [21]). | Download Scientific Diagram
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