What is cells ? A laptop battery is composed by cells and circuit board, the quality of the cell decide the quality of the laptop battery. The cell is correspond to the core of the laptop battery pack.
So, when you choose a battery for your laptop, such as the dell latitude d620 battery, you can use no matter 6 cell or 12 cell. But you should notice the two difference bellow:
Price difference between 6-cell laptop battery and 12-cell laptop battery
Usually, the 12-cell HP 484170-001 laptop battery is more expensive than the 6 cell battery.
Run Time difference between 6 cell and 12 cell
Usually, the run time of the 12 cell battery is longer than the 6 cell battery.
The life difference between 6 cell and 12 cell
Usually, the life of 12 cell battery is longer than the 6 cell battery.
So, when you choose a HP Pavilion DV7 Rplacement Battery, you can choose it according to the three factor below. If you laptop is old and you don’t want to spend so much money, you can just choose the 6 cell. Or, you can choose the 12 cell.