Originally Posted by daveyedgar
Thanks Joel, and to others for this thread it's awesome. Took me a week to get through it - extremely informative! (subscribed)
If you like to tinker though and build your own battery then this is more suitable to use.
A genuine A123 cell would be better quality though if you can find them. You do want the 26650 variety though.
Another option is LiFePo4 flat packs. I am using these in my bike (KTM530) so far with no problems. And yes I realize they aren't as rugged as a hard case battery but am taking my chances anyway. We all like to experiment!