Easy to install, safe to use, suitable for C186Pro RC drone. With this replaceable battery, you no longer have to worry the battery run 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]: 7.4V 350mah battery is suitable for the C186Pro RC drone battery. [Warranty]: If there are any problems, please contact our store in time. Specifications: Item: Drone Battery Battery: 7.4V 350mah Charging Time: 40min Fly Time: 15min 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: 12*8*5cm Package Weight: 85g Gift Box Package Package List: 3* 7.4V 350mah Drone Battery