Dentsing DR02P 54Wh Laptop Battery for Dell Latitude

Dentsing 54Wh DR02P is a direct-fit replacement Li-ion laptop battery designed to restore reliable runtime for compatible Dell Latitude and Precision notebooks.

If your Dell Latitude 5440/5450/5540/5550 or Precision 3480/3490/3580/3590 shows shortened battery life or doesn’t power on without AC, this Dentsing 11.4V 4623mAh pack gives you a like-for-like capacity, compatible connectors, and a drop-in installation. The pack ships with clear instructions and carries a 30-day refund window plus a 12-month warranty for peace of mind.

Will this battery fit my Dell laptop model?

Check the service tag and the battery model inside your laptop before ordering. Dentsing DR02P corresponds to part numbers 2X1V9, 02X1V9, 803W6, and 0803W6 and matches the original DR02P shape and connector layout.

• Compatible with Dell Latitude 5440, 5450, 5540, 5550 series models.
• Compatible with Dell Precision 3480, 3490, 3580, 3590 series models.
• Confirm by opening the laptop rear cover to view the existing battery part number and shape.
• Includes one battery and one instruction sheet for verification and installation.

How long will the Dentsing DR02P battery run between charges?

Runtime varies by workload, screen brightness, and background processes; the DR02P provides the same rated energy as many OEM packs at 54Wh (4623mAh) and 11.4V. For typical office tasks you should see comparable endurance to the original factory battery when the system is healthy.

• Rated capacity: 54Wh / 4623mAh at 11.4 volts.
• Suitable for office apps, web browsing, and light media playback under typical conditions.
• Actual hours depend on power profile, CPU load, and display brightness.

Is the battery safe and supported after purchase?

Dentsing ships the DR02P with protective packaging, an instruction sheet, and customer support channels. The product is a Li-ion replacement designed to meet common safety and performance expectations when used according to laptop manufacturer guidance.

• Includes 30-day refund and 12-month limited warranty with seller support.
• Follow the included instructions for safe removal and installation to avoid damage.
• Contact the seller directly via the store’s question feature if Amazon return windows close.

How do I install this replacement battery in my Dell laptop?

Installation is a straightforward process for most of the compatible models: power down, remove the bottom cover, unplug the old pack, and secure the new one in the same orientation. If you’re not comfortable opening your laptop, a qualified technician can swap the battery quickly.

• Turn off and unplug the laptop before starting.
• Remove screws and back cover to access the internal battery compartment.
• Disconnect the old battery cable, remove the battery, connect the Dentsing pack, and reassemble.

Who this product is for: The Dentsing DR02P 54Wh replacement is aimed at Dell Latitude and Precision owners who need a cost-effective, direct-replacement battery to regain original-style runtime without buying a new laptop. It's ideal for business users, students, field technicians, and anyone with a compatible model who prefers an easy, user-replaceable solution backed by a short-term refund window and a 12-month warranty.