Here is what I use and have no issue with it. The 4 cell 15amp pack I built to use it with has a charge and discharge controller made to manage each individual cell.

https://www.amazon.com/gp/product/B07C18DLKN/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

Battery smart balance module from here;

https://www.batteryspace.com/pcbfor32vlifepo4pack1inseries.aspx