Feature: 1. Specially designed to provide power for SJRC F11 PRO 4K GPS drone. 2. The micro USB port can be charged separately or when connected to the drone. 3. Larger and powerful 11.1V, 2500mAh lithium battery provides longer flight time. 4. The large‑capacity battery brings enough power for your flight. The power supply is displayed in real time, the battery life is long, and the replacement is convenient. 5. It can be used as a backup battery or a backup battery for RC models to increase the playing time. Specification: Item Type: F11 PRO 4K 2500MAH Lithium Battery Color: Dark Gray Material: Lithium Battery Weight: Approx.217g/7.7oz Product Size: Approx. 103x45mm/4.1x1.8in Battery Capacity: 2500mAh Charging Time: About 4-5 hours Use Time: About 26 minutes Scope of Application: Suitable for F11 PRO 4K GPS Drone. Package List: 1 x F11 PRO 4K 2500MAH Lithium Battery Note: 1. Only use the factory USB cable for charging.2. Do not disassemble, puncture, or impact. Crash, short‑circuit and/or throw the battery into fire.3. Do not use the battery if it is in water.4. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding. 5. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.