Using the BetaFPV Aquila16 Exclusive Batteries is straightforward. First, make sure you've selected the right battery for your needs. The 1100mAh battery is great for long - learning sessions, while the 650mAh battery is for speed and agility. When inserting or removing the battery, especially on the first use, it might be a bit tight. Watch the provided video to learn the proper technique. When charging, always use the BT2.0 Battery Charger and Voltage Tester V2. Keep the battery in the provided battery box when not in use to protect it. Store it in a cool, dry place and avoid exposing it to extreme temperatures. Regularly check the battery for any signs of damage, like swelling or leaks. If you notice any issues, stop using the battery immediately and replace it. Enjoy your flying with these reliable batteries!