Is your Dell battery need to go back to Dell?

Check https://www.dellbatteryprogram.com - that is another website by Dell. It's about the battery of Dell notebooks that provide important notice. As we all know, a battery can caused fire or flames or can explode. Even mobile phone's battery is using lithium batteries so it's a good idea to check that site to see if your battery is affected. Dell will of course send a replacement. While you are waiting for the replacement, don't use that affected battery. Just use the AC power. You can't use notebook outside though. But hey, it's for safety measure. You don't want to hurt yourself or others.

See also http://lengbooi.blogspot.com/2006/07/lithium-ion-battery.html to find out how to use the battery properly so you don't hurt yourself and others.