China 36V 18.2ah Hailong Model Hl03 10s7p Lithium Ion E-Bike Down Tube Down Mounted Shark Pack Li-ion Electric Bicycle Tricycle 18650 Battery with Switch and USB, Find details about China E-Bike Battery, Lithium Battery Pack from 36V 18.2ah Hailong Model Hl03 10s7p Lithium Ion E-Bike Down Tube Down Mounted Shark Pack Li-ion Electric Bicycle Tricycle 18650 Battery with Switch and USB