| Q | How long does a Dell laptop battery last? When should I consider replacing mine? |
| Q | How should I choose between two batteries with different Watt hours (Whr) available on one system? |
| A | Higher Watt hours (Whr) on the same system under the same operating conditions will generally deliver longer battery run time. For example, if you compare the same system, running the same applications, the 53Whr battery would provide approximately 65% more run time than the 32Whr battery. |
| Q | How long am I able to use my Dell laptop on a fully charged battery? |
| A | Many factors affect the amount of time that a portable computer battery can deliver power before it must be recharged. These factors include the configuration (processor, memory, etc.), types of applications being run and display brightness.Dell uses industry standard benchmarks for battery run time claims. For more information on battery run times and benchmarks, the white paper, "Understanding Battery Life in Portable Computers" is available at: http://www1.us.dell.com/content/topics/global.aspx/vectors/en/2005_batterylife?c=us&cs=555&l=en&s=biz |
| Q | How do I charge my Dell laptop battery? |
| A | The battery charges in the laptop when the laptop is connected to an AC power source via the AC adapter. |
| Q | How long does it take for a Dell laptop battery to fully recharge? |
| A | The charge time varies depending on the system. If the system supports ExpressChargeTM , the battery typically will have greater than 80% charge after about an hour of charging, and fully charge in about 2 hours with the system off. |
| Q | What is ExpressChargeTM ? |
| A | For a system advertised as having the ExpressChargeTM feature, the battery typically will have greater than 80% charge after about an hour of charging and fully charge in about 2 hours with the system off. |
| Q | Should I totally discharge, then recharge my Dell laptop battery occasionally to make it last longer? |
| A | No, discharging and charging does not increase the life of a Lithium Ion technology battery. |
| Q | Can a Dell laptop battery be "overcharged"? |
| A | No, the battery is designed to stop using the charger when it reaches full charge. |
| Q | When docked or AC adapter is plugged into a wall outlet, am I using my battery charge? |
| A | No. |
| Q | Does Dell sell external battery chargers? |
| A | Dell offers a Datamation battery charger for large institution customers. The charger has 16 charge bays to charge batteries for Latitude D500/D505/D510/D520/D600/D610 laptop systems. The product can be found at Dell.com here: |
| Q | Is it easy to install a battery? |
| A | Yes, very easy. First, make sure all open files are saved. Next, either attach the AC adapter directly to the laptop or set the system to "hibernate" mode or shut off. Release the latch on the current battery, and simply install the replacement battery. |
| Q | What is a modular bay battery? |
| A | In some laptop systems Dell offers a battery that can be used in the optical drive media bay (DVD/CD drive bay). This enables the use of two batteries, potentially extending the available run time. |
| Q | If I install a modular bay battery, are my primary and modular bay batteries working at the same time to power my laptop computer? |
| A | No, the modular bay battery is used first, then the system automatically switches to the primary battery. This is a deliberate design to allow the most amount of run time to remain in the primary battery in case the modular bay battery is removed and replaced with an optical drive. |
| Q | For what use is the strip of LED lights on my battery? |
| A | Most Dell batteries have an LED indicator that allows users to see how much run time and how much overall battery life are available at the touch of a button. To check battery charge, press the button and the number of lights that appear will tell you charge status. If all lights appear, you have a fully charged battery. Each light that appears accounts for approximately 20% charge. To check the battery health, press and hold the status button on the battery charge gauge for at least 3 seconds. If no lights appear, the battery is in good condition and approximately more than 80 percent of its original charge capacity remains. Each light represents incremental degradation. If five lights appear, approximately less than 60 percent of the charge capacity remains, and you should consider replacing the battery. |
| Q | What does Dell recommend for battery storage for a long period of time? |
| A | When storing for more than 4 days these guidelines can better preserve the life of your battery:
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| Q | Are there restriction with taking lithium-ion batteries on planes? |
| A | Effective January 1, 2008, the Department of Transportation (DOT) through the Pipeline and Hazardous Materials Safety Administration (PHMSA) will no longer allow loose lithium batteries in checked baggage. These batteries may continue to be packed in carry-on baggage. For more information: http://www.tsa.gov/travelers/airtravel/assistant/batteries.shtm |
| Q | How should I choose the right battery for my new system? |
| A | When choosing a battery, the main quality that you need to consider is the amount of energy that can be stored in a battery. This is measured in Watt- Hours (Wh). For longer runtime per charge, choose a battery with a greater Wh rating
Note: When used under the same conditions, a lower capacity battery will wear out faster than a higher capacity battery because it has to be charged more often. |
| Q | What is a battery slice? |
| A | Some Dell laptops have a battery that attaches to the bottom of the system, providing additional runtime for the laptop. |
| Q | Does Dell recommend the use of a non-Dell replacement battery? |
| A | Dell recommends that you replace your battery with a genuine Dell battery obtained from Dell. When using a genuine Dell battery, you can be assured that you have a battery that has been designed, qualified and manufactured to strict Dell quality standards. For safety and performance always use a genuine Dell battery purchased from Dell. Dell does not evaluate the design or check the quality of non-Dell replacement battery packs. The quality and safety is unknown when using such batteries. |
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