Universal Drone Battery - PLEASE CHECK THE CONNECTOR AND SIZE!If your connector and size fit the battery,please order it,it will be work for your Drone About Size - 1.69*0.35*0.9 inch.Please confirm the Connector and Size before you buy Wide Application-No modification necessary! For Mini Orion Drone,quad drone,Quadcopter Battery Volt - 3.7V Battery capacity: 650mAh ,Please make sure your RC Drone Battery are the same Voltage and same connector with the picture shows before you buy it. About Service - If there are some problem when you receive it,also if you haven't place it not yet,please donâ€t worry and contact us.We will do it better for you.