Laptop battery help 6cell or 9cell

[pjoseph]

I lost my laptop battery and need a new one for my
HP Pavilion DV4T-1400 the manual shows a 6cell and a 9cell version, how do I know which one came with the computer?

Also if anyone knows a good site to purchase this at that would be great as well

Thanks

 

[johnb35]

The only difference between the 6 cell and 9 cell is that the charge lasts longer on the 9 cell then the 6 cell. However, your laptop most likely came with the 6 cell battery.

 

[diduknowthat]

If a laptop can use both 6 cell and 9 cell battery the 9 cell battery most likely bulges out somehow from the laptop. That's usually the easiest way to tell.