AlphaOmega1 11 days ago ReplyIt will depend upon what you want to do! LiPos are probably going to give you the best power to volume density. Buy you need to give more information about the application, and remember that different battery chemistries will have different charging requirements. In most instances, coupling a battery directly to a cell (at least via a diode) is probably going to damage the battery. Check out lesson 4 as an example.