Feb. 20, 2016 Ben Carson greets people at the Beacon Drive-In restaurant in Spartanburg on the day of the South Carolina Republican presidential primary. Jabin Botsford/The Washington Post Buy Photo
If your battery is unhealthy after less than 6 months you should try to get a replacement from dell. You have posted to a forum that requires a moderator to approve posts before they are publicly available. A 9 cell battery usaully last around 4-6 hours.
A laptop computer battery should last between two and four years, or around 1,000 full charges. The total lifetime of battery life is dependent on the type of battery your laptop has, how you use the battery, how it's charge, and how well you take care of the battery.