Dell warns of a having "potential issue" with some of its Latitude, Inspiron, Precision and XPS notebook batteries, blandly mentioning that there could be a slight problem without actually using the loathsome word "explosion."
"Under rare conditions, it is possible for these batteries to overheat, which could pose a risk of fire."
• Latitude: D410, D500, D505, D510, D520, D600, D610, D620, D800, D810
• Inspiron: 500M, 510M, 600M, 700M, 710M, 6000, 6400, 8500, 8600, 9100, 9200, 9300, 9400, E1505, E1705
• Precision: M20, M60, M70, M90
• XPS: XPS, XPS Gen2, XPS M170, XPS M1710
The following Dell URL gives you full instructions for finding the serial number of your battery, and sending it into Dell. Don't worry, the company makes it all very easy, and you get a brand-new battery out of the deal.
Battery Recall [Dell]