Using this GAONENG GNB battery is easy. First, make sure the device you're using it with has a compatible size and connector. Connect the XT30 discharge connector to your device properly. When charging, use a charger that can support the 0.2C - 1C charge rate. Be careful not to over - charge or over - discharge the battery. For maintenance, store the battery in a cool and dry place. Check the battery regularly for any signs of damage, like swelling or leakage. If you notice any issues, stop using the battery immediately. With proper use and care, this battery will serve you well for a long time.