About this item Just when you get started with the E58 drone, the batteries run out. We designed these batteries to let you stay in the air longer. Suitable to Any E58 - Drone X Pro, JY019 , L800, GD88, S168 Quadcopter Nominal Voltage: 3.7 volts Dimension: 60mm x 18.5mm x 8mm Battery Life: Increased Juice for longer fly times