To have the possibility to measure the remaining power of the LiPo it is more accurate to measure the voltage of each cell in parallel with the current.
A simple algo regarding the typical V=f(I) of the LiPo will give an idea about the remaining charge.
I need only to plug the cells connector to the PCB BOTTOM to have the info.
I also added a second connector in case you I want to charge the battery while it is connected to the PCB BOTTOM.
The voltage of the cells, the current and voltage provided by the LiPo are sent to the PCB TOP using a 6pins connector.
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