custom battery

This is my 2nd ebike build, I've been slowly putting this together for a while and it's finally in a state I'm happy to show off. I saw a guy riding this type of bike around and stopped him to ask what the brand was. I thought it'd be a cool Bafang mid-drive conversion because of the...

I came across a huge supply cell-protected, 3.7 volt Li-Ion batteries for dirt cheap, (10 bucks for 100 batteries) and they are all good. So I want to use them to make a custom battery pack for an ebike. The issue is, 3.7 volts doesn't multiply neatly to 24 or 48 volts... I could stack 8...