1. This 550mAh 1S battery with the connector of JST-PH 2.0 AKA High current ultra micro, Powerwhoop, mCPX. 2. This Crazepony 1S Lipo Battery discharge rate is 50C, Small size of xx * xx * xx mm, Light weight of xxg, you can get 5-7 min of flight time and more power while staying at a suitable weight. 3. Crazepony 1s 550mah battery is customed for Inductrix FPV Plus, Tiny 8X, Mobula 7, Snapper7, Armor 85 Plus, Whoovers, Mirarobot S85 Whoop and Tiny Whoop FPV Racing Drones.(NOT for Inductrix FPV) 4. As a FPV battery, Don't over-charge, or over-discharge batteries. Please contact us in time when you receive the batteries that got puffed, we will take all responsibility for your satisfaction. 5. Note: The rate flight times is heavily dependent on how hard you fly and how far you like to discharge your batteries.