Using this CNHL Lipo Battery is easy. First, make sure you connect it properly using the XT90 output connector and the JST/XH balance connector. When charging, don't exceed the 5C max charge rate to avoid damaging the battery. During use, keep an eye on the discharge rate. If you notice the battery getting too hot, stop using it immediately. To maintain the battery's lifespan, store it in a cool, dry place when not in use. Don't over - discharge the battery, and charge it regularly. Also, check the connectors for any signs of wear or damage before each use.