high capacity e-scooter Li-ion battery Pack 72V 50Ah lithium battery pack with BMS for ebike/ tricycle + 84V 5A charger. - AliExpress
Chargex® 72V 50AH Lithium Ion Battery
E-Bicycles 72V 50ah Rechargeable Lipo Battery for Electric Power Assisted Vehicle - China Electric Scooter Battery, Lithium Ion Battery | Made-in-China.com
Rechargeable Lithium Battery 18650 72V 50AH Electric Bike Lithium Battery 72V For Bafang BBSHD 2000W 3000W 5000W 6000W Motor From Liuzedongaaaa, $1,165.03 | DHgate.Com