Features: The 1800mAh Battery delivers extended flight time for E88/E525/E99E quadcopters, featuring high capacity power in plastic casing. Premium lithium cells ensuring stable output and 300+ charge cycles, while the impact resistant housing safeguards internal components during rigorous aerial maneuvers. Ideal for drones enthusiasts and professional photographers requiring reliable power solution for prolonged FPV or cinematic aerial capture. Perfect for outdoor and capturing smooth 4K videos with uninterrupted power supply during extended flight operations. Optimized charging management prevents over discharge risks and maintains battery health, suitable for standard charging adapter for convenient power replenishment. Specifications: Component:ABS. Size: Approx.72x29mm/2.83x1.14inch Package Includes: 2 Optional Package: Package 1 Include:1Pc drones Battery Package 2 Include:2Pcs drones Battery note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.