... , FCC,CE Key Specification1. Model: KY-4815-A with 48V 15Ah2. Specification:48V 15AH, 30A discharge current.Dimension: 389x76x110mm(HxWxL), weight: 6 ... make battery more stable4.Certifications : CE,UL,FCC, RoHS,ISO90015. Long life cycle, No memory, environment friendly 36V 10Ah rechargeable lithium e-bike battery