Got my Li-Po batteries. How would I connect it in series?

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LIPO Charge only Smart BMS wiring Guide

Alright folks, have some time on my hands so decided to make this guide. We are going to be wiring 4x 3s lipo batteries to a smart Bluetooth LTT bms (available on https://www.lithiumbatterypcb.com/ ) in charge only to make a 12s lipo. The goal here is to be able to monitor individual cell voltages from a smartphone and charge the batteries from a charge port on the enclosure and not have to take them out every time. This is the best solution I have come up with for flying with my board and tak…