1. Your new Fujitsu laptop battery comes in a discharged condition and must be charged before use. 2. When charging Fujitsu laptop battery for the first time your computer may indicate that charging is complete after just 10 or 15 minutes. 3. It is important to condition Fujitsu laptop battery every two to three weeks. Failure to do so may significantly shorten the battery's life. 4. If Fujitsu laptop battery will not be in use for a month or longer, it is recommended that it be removed from the device and stored in a cool, dry, clean place. 5. It is normal for Fujitsu laptop battery to become warm during charging and discharging. 6. A charged Fujitsu laptop battery will eventually lose its charge if unused.