Using A Battery; Battery Performance; Checking The Battery Charge; Dell Quickset Battery Meter - Dell Precision M70 User Manual

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Using a Battery
Dell Precision™ Mobile Workstation M70 User's Guide
Battery Performance
Checking the Battery Charge
Charging the Battery
Removing a Battery
Installing a Battery
Storing a Battery
Battery Performance
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide.
NOTE: Batteries for portable computers are covered only during the initial 1-year period of the limited warranty for your computer. For more information
about the Dell warranty for your computer, see the Product Information Guide or separate paper warranty document that shipped with your computer.
For optimal computer performance and to help preserve BIOS settings, operate your Dell™ portable computer with the main battery installed at all times. Use
a battery to run the computer when it is not connected to an electrical outlet. One battery is supplied as standard equipment in the battery bay.
NOTE: Battery capacity (the time it can hold a charge) decreases over time. Depending on how often the battery is used and the conditions under which
it is used, you may need to purchase a new battery during the life of your computer.
Battery operating time varies depending on operating conditions. You can install an optional second battery in the module bay to significantly increase
operating time.
Operating time is significantly reduced when you perform operations including, but not limited to, the following:
Using optical drives, such as DVD or CD drives
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Using wireless communications devices, PC Cards, or USB devices
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Using high-brightness display settings, 3D screen savers, or other power-intensive programs such as 3D games
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Running the computer in maximum performance mode
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NOTE: It is recommended that you connect your computer to an electrical outlet when writing to a CD or DVD.
You can check the battery charge
charge is low.
CAUTION: Using an incompatible battery may increase the risk of fire or explosion. Replace the battery only with a compatible battery purchased
from Dell. The lithium-ion battery is designed to work with your Dell computer. Do not use a battery from other computers with your computer.
CAUTION: Do not dispose of batteries with household waste. When your battery no longer holds a charge, call your local waste disposal or
environmental agency for advice on disposing of a lithium-ion battery. See "Battery Disposal" in the Product Information Guide.
CAUTION: Misuse of the battery may increase the risk of fire or chemical burn. Do not puncture, incinerate, disassemble, or expose the battery to
temperatures above 65°C (149°F). Keep the battery away from children. Handle damaged or leaking batteries with extreme care. Damaged
batteries may leak and cause personal injury or equipment damage.
Checking the Battery Charge
The Dell QuickSet Battery Meter, the Microsoft® Windows® Power Meter window and
battery warning provide information on the battery charge.

Dell QuickSet Battery Meter

If Dell QuickSet is installed, press <Fn><F3> to display the QuickSet Battery Meter.
The Battery Meter window displays status, charge level, and charge completion time for the battery in your computer.
NOTE: You can use your docking device to charge a computer battery. However, a battery in a docking device does not power the docking device or
computer.
In addition, when your computer is connected to a docking device (docked), the Battery Meter window includes a Dock Battery tab, which displays the charge
level and current status of the docking device battery.
The following icons appear in the Battery Meter window:
The computer or docking device is running on battery power.
before you insert the battery into the computer. You can also set power management options to alert you when the
icon, the battery charge gauge and health gauge, and the low-
battery