Dell 312-1439 | 65WHR 6-Cell Primary Battery

Here are the technical specifications for the Dell 65WHR 6-Cell Primary Battery:

- Battery Type: Lithium Ion
- Capacity: 65 Wh
- Number of Cells: 6
- Voltage: 11.1 V
- Compatibility: Dell Latitude E5420, E5430, E5520, E5530, E6420, E6430, E6440, E6520, E6530, E6540
- Dimensions: 8.12 x 2.06 x 0.79 inches
- Weight: 11.84 ounces

Helpful notes:
- This battery is a genuine Dell product and is designed specifically for the compatible Latitude models listed above.
- The 6-cell design provides longer battery life compared to the 4-cell option.
- It is always recommended to fully charge and discharge a new battery a few times to optimize its performance.