Some Guidelines for Dell batteries User:

How to choose between two batteries with different Watt hours (Whr) or milliAmpere hour (mAH)?

Higher Watt hours (Whr) or milliAmpere hour (mAH) on the same system under the same operating conditions means longer battery run time. For example, if you compare the same system, running the same applications, the Dell battery with 75Whr would provide approximately 37% more run time than the 53Whr Dell battery.

How to keep my Laptop battery healthy ?

Dell Laptop battery packs should ba charged for 12 hours when you first get them. Laptop batteries are completely dischardged at the time of purchase, and need a full charge before their first use.

How to deal with my laptop battery when it is not used?

Don't leave your laptop battery inactive for extended periods of time. Even if you use AC power most of time, use the battery periodically to keep it in good condition. Unplug your AC adapter when the computer is not in use to prevent overcharging.

What should I do for battery storage for a long period of time?

Don't store your Dell battery for long periods plugged into or attached to any power source, including AC adapters and laptop security carts plugged into an outlet; Charge batteries before storing. The recommended charging time should not exceed 1 hour.

How to maximize my Dell laptop battery performance?

To get maximum performance from the battery, fully optimize the notebooks power management features prior to use. The power management system conserves Dell notebook battery power by setting the processor to run at a slower speed, dimming the screen, spinning dowm the hard drive when it's not in use and causing the machine to go into sleep mode when inactive.