Using this CNHL Lipo battery is easy. First, make sure your RC model is turned off. Connect the XT60 plug of the battery to the corresponding input on your model. Then, you're ready to power up and fly or drive your RC. When charging, use a charger that supports a 5C max charge rate and is compatible with 4S Lipo batteries. Always charge in a safe area, away from flammable materials. As for maintenance, store the battery in a cool, dry place. Avoid over - discharging the battery, as it can damage its performance and lifespan. If you notice any swelling or damage to the battery, stop using it immediately and dispose of it properly according to local regulations.