Panasonic CF-W8EWDZZ2M Reference Manual - Page 29

Battery Power 29 When using the battery pack (CF-VZSU52W) • Full charge: Approximately 4 hours [MAX] • Complete discharge: Approximately 3 hours z "Battery Recalibration" does not increase the battery's capacity. If "Battery Recalibration" is executed frequently, dete- rioration of the battery may result. z If you have two or more battery packs, perform the "Battery Recalibration" for each battery pack. z If the computer is turned off during the "Battery Recalibration" (e.g., due to power failure, or accidental removal of the AC adaptor and battery pack), the "Battery Recalibration" will not be completed. z You can also perform the "Battery Recalibration" with the following procedure. A Restart the computer. B Press and hold F9 while the [Panasonic] boot screen is displayed just after the computer starts the startup proce- dure. C When the remaining battery power is displayed, press Enter. D Follow the on-screen instructions. Switching between Long Battery Life and Extended Operating Time (The battery's Economy Mode (ECO)) The battery pack is a consumable item, and deteriorates gradually each time it is used. Use effective switching of the battery's Economy Mode (ECO) to reduce battery pack deterioration, and enable the battery pack to last a little longer. Switch the battery's Economy Mode (ECO) in accordance with the way you use your computer. Recommended usage Operation time Lifetime of battery The battery's Economy Mode (ECO) Disabled Enabled Mobile Using your computer while on the move Desktop AC adaptor is connected most of the time Extended Normal Normal Extended z The battery's Economy Mode (ECO) disabled: In the default setting, the battery's Economy Mode (ECO) is set to "Disabled". Charge the battery to 100% (fully charged). We recommend that you disable the battery's Economy Mode (ECO) if you use the battery pack frequently.