Using this GAONENG GNB battery is easy. First, make sure your device is turned off before connecting the battery with the XT30 connector. Once connected, you're ready to power up your drone or RC toy. When charging, use a suitable charger and set the charge rate between 1C and 5C as recommended. Always charge the battery in a safe and well - ventilated area. For maintenance, keep the battery clean and dry. Avoid over - discharging the battery as it can reduce its lifespan. If you notice any damage to the battery, stop using it immediately. Store the battery in a cool and dry place when not in use.