1. How Long Will the New Dell Latitude D820 laptop battery Power the Laptop?
Battery run-time on a laptop is difficult to determine. Actual new battery running time depends upon the power demands the use of the screen, the hard drive & other accessories results in an additional drain upon the battery, effectively reducing its running time. The total run-time of the battery is also dependent upon the design of the equipment. Generally, a new Hi-Capacity Dell Latitude D820 Laptop Battery will run 30% to 50% longer than the old battery did when it was new.
2. How can I maximize Dell Latitude D820 battery performance?
There are several steps you can take to insure that you get maximum performance from your new battery for Dell Latitude D820 notebook:
A. Breaking In New Battery
New Dell Latitude D820 laptop battery come in a discharged condition and must be fully charged before use. It is recommended that you fully charge and discharge your new battery two to four times to allow it to reach its maximum rated capacity.
B. Cleaning the battery contacts with alcohol will help to ensure that the battery is that a good relationship with your laptop. It is recommended that the laptop battery should be cleaned every two months.
C. Exercise Your New buy Dell Latitude D820 Battery
Do not leave your battery dormant for long periods of time. We recommend using the battery at least once every two to three weeks.
D. Battery Storage
If you don't plan on using the rechargeable Dell Latitude D820 notebook battery for a month or more, it is recommended that it be removed from the device and stored in a cool, dry, clean place.
DELL Latitude D820 Battery Review 
