In this (admittedly too long) video, I go over possibly the cheapest/easiest method for charing large lifepo4 cells. Please don't skip this step - it is very important for a healthy battery. And remember - for Lifepo4 NEVER charge above 3.65v or below 2.5v.
SAFETY POINT: I forgot to mention - always disconnect the power supply from any load when turning it on and off, and when adjusting voltage and current!
At the bottom are links to all the cells and equipment I used and if you are unsure of how to use a benchtop power supply here is a video link: https://youtu.be/nhrBuYADREk
Power Supplies:
Kungber - https://amzn.to/3u1k87e
Longwei - https://amzn.to/3lYQdd1
Daly BMS - https://amzn.to/3deYaqM
(Affilate Links Below)
Battery Cells:
1. https://s.click.aliexpress.com/e/_A5znrE (lishen)
2. https://s.click.aliexpress.com/e/_9HFYlE (lishen)
3. https://s.click.aliexpress.com/e/_A74Zvm (eve)