Is it possible to charge 2 3.7v batteries in series with a TP4056, if not, what circuit would I need? Is it at all possible to charge two 3.7v li-PO batteries in
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batteries - Can I charge each Lithium ion battery, that are connected in series, with individual charger? - Electrical Engineering Stack Exchange
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batteries - How to charge lithium ion battery in series and parallel? - Electrical Engineering Stack Exchange
![arduino - Is it okay to connect 2 lithium ion battery in parallel to a charger that can maintenance 4.2V? (more detail in post) - Electrical Engineering Stack Exchange arduino - Is it okay to connect 2 lithium ion battery in parallel to a charger that can maintenance 4.2V? (more detail in post) - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/HZ2Bu.png)
arduino - Is it okay to connect 2 lithium ion battery in parallel to a charger that can maintenance 4.2V? (more detail in post) - Electrical Engineering Stack Exchange
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