How much charge the battery contained to begin with.
How you use optional devices, such as a USB device, to which the battery supplies power.
Whether you enable Sleep Mode, which can conserve battery power if you are frequently turning the computer off and on.
Where you store your programs and data.
Whether you close the display panel when you are not using the keyboard - closing the display saves power.
The environmental temperature - operating time decreases at low temperatures.
Whether you enable Sleep and Charge function.
The condition of the battery terminals - you should always ensure the terminals stay clean by wiping them with a clean dry cloth before installing the battery pack.
Batteries exhausted timeWhen you turn off the power of your computer with batteries fully charged, the batteries will be exhausted within the following approximate period.
Battery type | Sleep Mode | Shut Down |
|
| Mode |
Battery pack | about 3 days | about 28 days or |
(24Wh, 3 cell) |
| longer |
|
| |
Battery pack | about 6 days | about 56 days or |
(48Wh, 6 cell) |
| longer |
|
| |
Battery pack | about 8 days | about 75 days or |
(67Wh, 6 cell high |
| longer |
|
| |
capacity) |
|
|
RTC Battery | about 3.5 years or | about 3.5 years or |
| longer | longer |
To maximize the life of your battery packs:
At least once a month, disconnect the computer from a power source and operate it on battery power until the battery pack fully discharges. Before doing so, follow the steps as detailed below.
1.Turn off the computer's power.
2.Disconnect the AC adaptor and turn on the computer's power - if it does not turn on then go to Step 4.
User's Manual |