POWERFUL BATTERYThe 48V 15Ah reliable high-density removable lithium battery ensures the safety of the electric system.CHARGING TIME AND CRUISING RANGEAbout 7.5 hours. The single charge power can provide up to 40-50 km of auxiliary driving.CONVENIENT AND SAFEThe battery hidden in the frame can be locked taken out and charged at home and office.NOTICEThe electric bicycle battery only matches EUENI FXH009 Electric Bike.The e-bike battery should be promptly charged the suggested charging voltage 54.6V charging is finished when the red light is off and the green light is on.Do not over-discharge the battery over-discharge will harm the battery badly discharge voltage should not be lower than 39V.In case of the wastage of electric quantity during storage and transportation the battery should be recharged before use.