Using this HappyModel 1S 300mAh PH2 LiPo battery is easy. Just connect it to your compatible micro drone via the PH2.0 connector. When charging, use a suitable charger that can handle the 3.8V voltage. Don't overcharge the battery as it can damage it. Also, avoid over - discharging it during flight. Store the battery in a cool and dry place. If you notice any swelling or damage, stop using it immediately. For long - term storage, keep the battery at a partial charge level. With proper use and care, this battery will serve you well and keep your drone flying longer.