Dell WG400 | 85Whr 11.1V 9-Cell Li-Ion Battery for Inspiron XPS M140, 630m, 640m, E1405

Here are the technical specs for the WG400 Dell Battery:

- Battery Type: Li-Ion
- Battery Capacity: 85Whr
- Voltage Provided: 11.1V
- Number of Cells: 9
- Compatible Devices: Inspiron XPS M140, 630m, 640m, E1405

Helpful notes:
- The 9-cell battery provides longer battery life compared to the standard 6-cell battery.
- Li-Ion batteries have a longer lifespan and are more efficient compared to NiMH or NiCad batteries.
- Always use a compatible charger to prevent damage to the battery.