Using this GAONENG battery for your FPV racing drone is easy. First, make sure the drone is powered off. Then, connect the battery to the drone using the XT60 connector, ensuring a secure fit. When you're ready to fly, power on the drone. Remember, always charge the battery using a suitable charger designed for Li - polymer batteries. Avoid overcharging or discharging the battery too much, as it can shorten its lifespan. Store the battery in a cool, dry place when not in use. If you notice any swelling, damage, or abnormal behavior, stop using the battery immediately and replace it.