Description: Voltage: 54.6V;Warranty: 12 months;Amperage: 2A;Product code: ACEBIKE21;Manufacturer: Green Cell;Indicator: Dioda LED;Plug type: 5.5*2.1mm (DC5521) ;Compatibility list: ;Compatible with following battery models : Zundapp,Haibike,Merida,Raleigh,Specialized,Adore,Adriatica,BMW,Batavus,Byocycles,Curtis,Cutler,Cyclamatic,Daymak,Diamant,Ducati,Easybike,Ecobike,Fenetic,Fischer,Freway,Gazelle,Giant,Greens,Husqvarna,KTM,Kalkhoff,Keeway,Kettler,Kreidler,Kross,Liberty,Lovelec,Navigator,Prodigy,Prophete,Radrover,Ranger,Triumph,Velocity,Whistler,Xplorer,Yamaha,BigCat ;Compatible with following devices :