How about this: http://www.a123rc.com/goods-1634-A123+7S3P+magic+block+module+for+electric+vehicles.html
...3 in series or reconfigure to be a 20ah 66v battery.
Been a busy week, sorry for my slow response.
Cheaper the better; buying some land and a trailer so i'm pretty strapped for cash but i figure if the bike can pay for itself it will be worth it. :) So cheaper is better so long as there solid enough. It isn't my only transportation but I don't...
Yea, long range at slower speeds would work.
Ideally target speed would be closer to 40 slowing to 30/35 on hills. I can recharge at work, just not where the bike is parked. So if the battery were light it could even be a 15ah battery. But 30+ miles at 20-40mph would be ideal as that would...
My pack went a year or two ago. My previous battery was an 11ah custom trangular LiFePo4 pack. I loved the weight distribution but I wished it was larger. My 12ah pack barely got me 13 miles (hilly around here). It was a 52 volt pack and slowed to 17mph up hills. My sister borrowed the...