Dell WDX0R Replacement Battery
- Brand:
- Dell
- Capacity Wh:
- 42 Wh
- Nominal Voltage:
- 11.4 V
- Expected Firmware State:
- full_function
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Manufacturer: Dell Last updated: 2026-09-22
Dell WDX0R Replacement Battery Review
Dell WDX0R replacement battery, a 42Wh 3-cell pack shared across the Inspiron 13/15/17 5000 series and the Latitude 3480 through 3590 budget business line.
We would flag this one carefully: the WDX0R does not fit the Latitude 5490, despite that pairing showing up on some third-party listings. Match the exact model suffix before ordering.
What to check before you buy
Dell's own service manual for the 5490 chassis lists a different physical dimension for its 42Wh option than the WDX0R carries, which is the giveaway that these are not the same part despite sharing a nominal capacity.
Specifications
| Brand | Dell |
|---|---|
| Battery Model Code | WDX0R |
| Source | OEM |
| Nominal Voltage | 11.4 V |
| Cell Count | 3 |
| Series Configuration | 3S |
| Capacity Wh | 42 Wh |
| Capacity Basis | OEM Label |
| Length | 181 mm |
| Width | 95.9 mm |
| Thickness | 7.05 mm |
| Expected Firmware State | full_function |
| Shipping Classification | UN3481 |
| Compatible Models | Dell Inspiron 13 5368, Inspiron 13 5378, Inspiron 13 5379, Inspiron 15 5565, Inspiron 15 5567, Inspiron 15 5568, Inspiron 15 5578, Inspiron 15 5579, Inspiron 17 5765, Inspiron 17 5767, Inspiron 17 5770, Latitude 3480, Latitude 3580, Latitude 3490, Latitude 3590 |
| Source URL | https://www.ifixit.com/products/dell-wdx0r-replacement-battery |
Expert Review
Reviewed by Burooj Alam. Rated by us, not by users.
Best for
- Inspiron 5000-series and Latitude 3480-3590 owners
Not for
- Latitude 5490 or 5491, despite the matching capacity number