HP offers a choice of a 3 cell or 6 cell battery for the HP Mini 2140 netbook. The 3 cell battery fits flush with the unit and provides up to 4 hours of run time. The 6 cell battery sticks out from the bottom an dmakes the computer bulkier and heavier. But it more than doubles the run time. HP suggests the 6 cell battery will last for up to 8.5 hours if you have a hard drive, or up to 10 hours if you opt for the super-expensive 80GB SSD option.
If you’re wondering just how much far the 6 cell battery does jut out, HP Mini Guide put together a photo gallery with several images of a 6 cell unit next to a 3 cell model. Keep in mind, the battery rests below the unit, so you’ll never notice it if you’re looking at the keyboard and display.