🚀 Elevate Your Flight Experience! Engineered to withstand shocks, punctures, and more. Charge 4 batteries simultaneously for endless flying adventures. Lightweight design (6g) for effortless aerial maneuvers. Upgraded lithium batteries ensure longer life and resilience. Perfectly fits a range of popular quadcopters. 4-in-1 charger 220mAh capacity 6g lightweight This 4PCS 3.7V 220mAh Lithium Battery set, paired with a 4-in-1 balance charger, is designed for various quadcopters, ensuring quick charging and extended flight times. Each battery is lightweight and compact, making it an essential accessory for drone enthusiasts.