brand new and high quality Features: 3.7V 1800mAh Rechargeable lithium polymer battery, battery charger. Pure cobalt material ensures long service life and durability. High-performance remote control drone battery, bringing you more flying possibilities Provide your drone with an excellent alternative power supply, you can freely enjoy the wonderful flying experience without for time limitation. Suitable for KY601S H11D H11C RC quadcopter. Specifications: Product Name: Drone Battery/Charger Material: Pure Cobalt Size: about 4.8x3x0.9 for cm/1.88x1.18x0.35 inch Battery Capacity: 3.7V 2000mAh Battery/only Charger(optional) Quantity: 1 Pc Note: Suitable for the battery size of the drone is the same as 4.8x3x0.9 for cm/1.88x1.18x0.35 inch and the interface is the same also. Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you mind. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Includes: 1 Piece 3.7V 2000mAh Battery or 1 Piece Charger(optional)