The only way for the Li-ion battery to overcharge is if the charging system malfunctions, and then the battery will heat up while in the charger. If you don't plan to use your laptop for long period of time, you can extend the life of your lithium ion laptop battery by storing it with a 50 percent charge.
DSN stands for defense switched network, which is the primary system of interbase communication for the U.S. Department of Defense. A DSN number is a phone or data communications number that is used within that closed system. Continue Reading.
The DSN can also provide access to the Government Emergency Telephone System (GETS). Area Codes Six area codes are used to cover certain geographical areas for regular voice communications: 1  311 for AFRICOM. 2  312 for the Continental United States (NORTHCOM) and Puerto Rico. 3  313 for the Caribbean. 4  314 for EUCOM. 5  315 for PACOM. 6  317 for Alaska. 7  318 for CENTCOM. 8  319 for Canada (Canadian Switched Network (CSN))