HP Elitebook + Extended Battery gets 24 hours
Requires separately purchased Ultra Capacity Battery and customer download of the latest Intel graphics driver and HP BIOS. Notebook must be configured with optional Intel 80 GB SSD drive and HP Illumi-Lite LED Display (planned to be available October 2008) and requires Microsoft Windows XP operating system. Battery life will vary depending on the product model, configuration, loaded applications, features, and power management settings. The maximum capacity of the battery will decrease with time and usage.
One condition not listed: a room chilled to absolute zero. Ultra Capacity Battery may be the size of the USS Sulaco, may burn hotter than the magma chamber of a medium sized planetoid, may contain the atomic density of dark matter. In case of battery failure, please make your way in an orderly fashion to Vault 13.

the latest
latest episodes

Do not taunt Happy Ultra Battery.
I love the "Fallout" reference.
I am thinking to find an extended battery for my HP laptop. The battery I have now doesn’t last longer than 4 hours. It would be great if I could find to buy one that lasts at least 10 hours. Any ideas?