The E-flite S 500mA USB LiPo Charger with JST Connector is designed for recharging select RC model batteries including the battery for BLADE 80 QX HD Quadcopter. It is specifically for 500mAh, one-cell (S) lithium-polymer batteries with JST Connectors(LiPo); use with incompatible batteries may result in the destruction of the battery, or even a fire.