EM3ev 52V (14S5P) 17AH Panasonic GA cells Jumbo Shark Ebike Battery - $300 (local pickup only)
EM3ev 58.8V Charger (for 14S, 50/52V Battery) - 58.8V 5A Charger (with 90/100% Switch) - $50 (shipping within continental US)
This only has 5 charge cycles on it and I only charged it to 90% each time...