Sorry if this is a silly question, but is this a case of 6 for one, half-dozen for another?
I just found a 4s 16Ah pack for $50, would need three to mate to a 48V system, 16Ah for $150.
Also found a 6s 6.6Ah pack for $37, could get 2 (6.6Ah) for $74 or 4 (13.2Ah) for $148.
The packs are the...