Feature:1. Compatible Model: 7.4V 2700mAh 20C battery for H501S. It can help your quadcopter fly much higher and quicker, more secure.2. High Performance: With a 20C discharge rate, this battery delivers consistent power to ensure optimal drone performance and responsiveness.3. Long Flight Time: The 7.4V 2700mAh 20C lipo battery provides a long battery life, allowing for extended enjoyment of RC drone.4. Safety: The 7.4V 2700mAh 20C battery is equipped with overcharge and short circuit guard, ensuring the safety of the charging process.5. Lightweight and Portable: Designed to be lightweight, making it easy to carry. It offers the great balance of weight, power, and performance.Specification:Item Type: 7.4V 2700mAh 20C BatteryMaterial: Li PolymerWeight: Approx. 112g or 4ozBattery Capacity: 2700mAh Li Battery (Shipped with)Voltage: 7.4V.Package List:1 x 7.4V 2700mAh 20C Battery