DELL 42Wh WDX0R Laptop Battery 11.4V Li-ion
A 42Wh, 11.4V lithium-ion replacement battery compatible with Inspiron 13, 14, 15 and 17 series laptops
- Battery typeLithium-Ion
- Battery voltage rating11.4 V
- Battery capacity42 Wh
- Product colorBlack
- Product typeAC & DC
- Compatible withFor Dell Inspiron 15 5000 5565 5567 5568, For Dell Inspiron
- Genuine Dell replacement fits multiple Inspiron models
- 42 Wh lithium-ion cell delivers reliable runtime
- 4 V output matches original specifications
- Replaces WDX0R, 0WDX0R, 3CRH3 and other part numbers
- New OEM unit ready for immediate installation
Replacement battery for Dell Inspiron 13 14 15 17
This 11.4V lithium-ion pack supplies 42Wh of energy and fits Inspiron 13 5000 and 7000 series models such as 5368 5378 5379 7368 7378. It also matches 14 7460 7472 and 15 5000 variants including 5538 5565 5567 5568 5570 5578. The unit replaces part numbers WDX0R 0WDX0R 3CRH3 P69G001 T2JX4 C4HCW 0C4HCW FC92N. Buyers needing a different voltage or capacity should look elsewhere.
Thermals and power in daily use
The cell chemistry delivers steady 11.4V output during typical office tasks and web browsing without generating noticeable heat inside the chassis. Power draw follows the laptop’s own management profile so the battery does not impose extra thermal load on the cooling system. No active cooling components are present on the pack itself.
Behaviour under sustained load
During extended workloads such as video playback or light rendering the pack maintains its rated 42Wh capacity until the system initiates its low-power state. Voltage remains stable at 11.4V throughout the discharge curve. The battery is not designed for high-current applications beyond the original laptop specifications.
How it compares
Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.
- Price $43.99
- Pricier than about 76% of the 27,790 comparable items (median $30.99).
Specifications
| Product | |
|---|---|
| Brand name | DELL |
| Model name | DELL 42 Wh WDX0R |
| Product color | Black |
| Product type | AC & DC |
| Power | |
| Battery type | Lithium-Ion |
| Battery voltage rating | 11.4 V |
| Battery capacity | 42 Wh |
| Compatibility | |
| Compatible with | For Dell Inspiron 15 5000 5565 5567 5568, For Dell Inspiron 15 7000 7560 7570 7579, For Dell Inspiron 17 5000 5765 5767 5770 |
Questions about this item
How do I install the WDX0R battery in my Dell Inspiron 15 5565, and what step is often missed?
Power off the laptop, unplug the AC adapter, remove the bottom cover screws, disconnect the old battery cable before lifting it out, connect the new WDX0R cable firmly, replace the cover and screws, then charge fully before first use.
What maintenance will this 42Wh Li-ion battery need over its life?
No scheduled maintenance is required; the battery will gradually lose capacity after hundreds of charge cycles, at which point the entire pack must be replaced.
What limit appears first during sustained heavy use of this 11.4V battery?
The 42Wh capacity determines runtime; under continuous high load the charge depletes faster and the battery reaches its low-voltage cutoff sooner.
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