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Rectangular black lithium-ion laptop battery with label showing model details

DELL

DELL WYJ45 3-cell Li-ion DR02P 54Wh 11.4V 4623mAh laptop battery

SKU CH-M7QA-6ZASC

Replacement lithium-ion battery delivering 54 Wh at 11.4 V for select Dell Latitude and Precision laptops

  • Battery TypeLithium-Ion
  • 54 Wh capacity powers select Latitude and Precision laptops
  • 3-cell lithium-ion design delivers 11.4 V output
  • 4623 mAh rating supports extended mobile use
  • Genuine Dell replacement matches part number 0WYJ45

Dell WYJ45 54Wh replacement battery

The Dell WYJ45 is a 3-cell lithium-ion battery rated at 54Wh, 11.4V and 4623mAh. It serves as a direct replacement for the original DR02P pack in select Latitude and Precision laptops. The unit is supplied new and ready for installation.

Practical limits of lithium-ion chemistry

Capacity fades with each charge cycle, so runtime will gradually decrease over time. The pack operates within a fixed voltage window and cannot be upgraded to a higher capacity without changing the physical form factor. Users needing longer unplugged sessions should consider a higher-capacity alternative if the chassis allows it.

Highlights

  • 54 Wh capacity powers select Latitude and Precision laptops
  • 3-cell lithium-ion design delivers 11.4 V output
  • 4623 mAh rating supports extended mobile use
  • Genuine Dell replacement matches part number 0WYJ45

Specifications

Battery TypeLithium-Ion

Questions about this item

How do I know the WYJ45 54Wh battery is the right version for my Latitude or Precision laptop?

Match the part number 0WYJ45 printed on your original battery or check the Dell service manual for your specific model to confirm compatibility before ordering.

What runtime can I expect from the 11.4V 4623mAh capacity in daily use?

The 54Wh rating gives a baseline; actual runtime depends on your laptop's power draw, screen brightness, workload and battery health settings.

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