Easy to install, safe to use, suitable for SJRC F11, F11s RC drone. With this replaceable battery, you no longer have to worry the battery runs out of power, you can enjoy your flying better. Features: [Longer Service Life]: With longer service life, you no need to worry about running out of battery in a short time when flying. [Easy to Install]: Easy to install and convenient to carry. [Environmentally friendly and Safe]: No matter it is used or discarded, it does not contain or produce any toxic and harmful heavy metal elements and substances. [Suits For]: 11.1V 2500mAh battery is suitable for the SJRC F11 F11s RC drone. [Warranty]: If there are any problems, please contact our store in time. We will give you a satisfactory solution. Thanks for your understanding. Specifications: Item: Drone Battery Battery: 11.1V 2500mAh Drone battery flight time: About 26 mins Drone battery charging time: About 4.5 hours Size: 10.4*4.5*4.5cm Note: * Don't over-charge or over-discharge batteries. Don't put it beside the high-temperature condition. Don't throw it into the fire. Don't throw it into water. * There could be some deviations due to manual measurement or slight color difference owing to photographing condition. Thank you for your understanding. Package Information: Package size: 10.8*5.5*5.3cm Package weight: 216g Gift Box Package Packing List: 1* Drone battery