Dell Battery 4 Cell 62Wh

Dell K3JK9 is an internal laptop battery listed for selected Dell Latitude and Precision computers. It supplies stored power while the notebook is used away from a mains connection.

Its four-cell design uses lithium-based chemistry. The battery is rated at 7.6 V, 7750 mAh and 62 Wh. These specifications identify this K3JK9 configuration when checking a replacement for a laptop.

Compatibility is listed for Dell Latitude 12 E5270, Latitude 14 E5470, Latitude 15 E5570 and Precision 3510. Check the computer model against this list to confirm it is one of the specified systems. As an internal component, the battery stores electrical energy for the notebook during mobile use; it is not an external power adapter.