Posted by John Plympton on 9th Apr 2018 . I'm a novice in the electric bicycle build game, I started out about 3-4 years ago with an Ezip I purchased from a pawn shop.I used lead-acid batteries that came with bicycle and eventually progressed to lithium 18650 batteries I purchased from aliexpress website.I got some weight and distance performance but nothing like I see with the Ping LifePo4 ...