E-flite 1S USB LI-PO Charger 500Mah High Current Umx High current, compact and convenient USB charger with Ultra Micro connector for RC hobby applications Charges select 1S LiPo batteries (sold separately) Solid red light indicates charging is in progress; no light means charging has completed Compatible with Blade mCP S Heli (BLH5100, BLH5180); Nano QX 3D Quadcopter (BLH7100, BLH7180); Nano QX2 FPV Drone (BLH9180) Compatible with Blade Inductrix FPV + Drone: BLH9600, BLH9680; Ozone Quadcopter (BLH9700)