User manual SONY VAIO VGN-CS108E/P

[. . . ] The battery will be fully charged about 1 hour after normal charge is completed. We recommend charging the battery pack in an ambient temperature of between 10 °C to 30 °C (50 °F to 86 °F). If you charge the battery outside of this temperature range, you may not be able to efficiently charge the battery pack. [. . . ] You don't have to discharge the battery pack before recharging. Charging while some capacity remains does not affect the original battery capacity. PNote When charging the battery after it has not been used for a long period of time, the LEDs may not light immediately after the start of charging or during charging; this is not a malfunction. When the Check Capacity button (PUSH) B is pushed, LED C lights for about 3 seconds. Table of remaining battery capacity LED indicator Remaining capacity (Colors are orange for E and green for remaining capacity) ( : Lit, : Flashing, : Not lit) 75-100% 50-75% 25-50% less than 25% less than about 5-10 minutes * Charging is recommended since there is no remaining battery capacity. When using an AC adapter/charger with an LCD (e. AC-VQ850/SQ950), the battery pack's LEDs do not light up during charging even if you press the PUSH button B. Do not expose to high temperature above 60 °C (140 °F) such as in direct sunlight or in a car parked in the sun. Be sure to charge the battery pack using a genuine Sony battery charger or a device that can charge the battery pack. Keep the battery pack out of the reach of small children. Refer to the operating instructions of your electronic device for further details. Effective use of the battery pack To conserve battery power, we recommend that you keep the battery pack warm, for example in your pocket, and only insert it in your electronic device just before use. Have spare battery packs handy for two or three times the expected recording time, and make trial recording before taking the actual recording. How to store the battery pack Fully charge the battery and then fully use it up on your electronic device before storing in a dry, cool place. [. . . ] Have spare battery packs handy for two or three times the expected recording time, and make trial recording before taking the actual recording. How to store the battery pack Fully charge the battery and then fully use it up on your electronic device before storing in a dry, cool place. Repeat this charging and using up once a year to maintain the battery pack's function. [. . . ]