1. If the battery is not used for an extended period, store it in a cool, dry place and fully charge it every three months. 2. Replace damaged or unusable batteries with new ones. 3. Each item is inspected and in good condition before shipping. 4. Completely fit and work. 5. Professional installation is strongly recommended. We are not responsible for any damage to the device that may occur during parts replacement. 6. Warning: - To reduce the risk of fire or burns, do not disassemble, crush, short-circuit, or throw it into fire or water.
