Vmaxxfanee DR02P Laptop Battery for Dell Latitude

The Vmaxxfanee DR02P is a direct-fit 54Wh (11.4V / 4623mAh) replacement battery designed to restore reliable runtimes in compatible Dell Latitude and Precision laptops.

If your Dell Latitude 5440, 5540 or Precision 3480/3490/3580/3590 is running short on battery life, the Vmaxxfanee DR02P offers a factory-new, grade-A cell pack built to the original form factor and electrical specifications. This replacement is produced to meet UL, CE, FCC and RoHS safety standards and ships with a 12-month warranty plus 30-day return/exchange coverage.

Will this battery fit my Dell Latitude or Precision model?

Yes—this DR02P battery is engineered to match the OEM size, connectors and electrical ratings for a range of Dell Latitude and Precision notebooks. Confirm compatibility by checking your laptop’s part number or existing battery label for DR02P, R73TC, 803W6, 0803W6, 2X1V9, 02X1V9 or similar identifiers.

• Compatible models: Latitude 5440, 5540, 5550 and select 5400/5540 variants.
• Also fits Precision series: 3480, 3490, 3580, 3590.
• Same voltage and connector orientation as original Dell parts.
• Check the existing battery label to confirm P/N before purchasing.

How long will the Vmaxxfanee DR02P run compared to my original battery?

The DR02P provides 54Wh capacity (4623mAh at 11.4V), which matches many original equipment specifications and restores typical runtimes for everyday tasks. Actual run time depends on workload, display brightness and power settings but should closely match the OEM performance when new.

• Rated capacity: 54Wh / 4623mAh at 11.4V.
• Grade A cells designed for steady discharge and low self-discharge.
• Best for office work, web browsing and light multimedia use.
• Battery life varies by CPU load, screen brightness and peripherals.

Is the Vmaxxfanee DR02P safe and reliable?

This replacement battery is produced with quality control and safety certifications to minimize risks associated with lithium-ion packs. Vmaxxfanee uses tested cells and implements protective circuitry, and the product is covered by a 12-month warranty plus a 30-day return/exchange policy.

• Certified to UL / CE / FCC / RoHS standards.
• Protection circuitry for overcharge, over-discharge and short-circuit prevention.
• Manufactured as 100% brand-new units from the supplier.
• Customer support available 24/7 by email for troubleshooting.

How do I install and maintain the replacement battery?

Installation follows the same steps as replacing any serviceable Dell battery: power down, remove the bottom cover if required, disconnect the old pack and seat the new DR02P securely. Simple maintenance like avoiding extreme temperatures and charging in moderate conditions will extend its useful life.

• Shutdown laptop before swapping batteries and unplug power adapter.
• Remove screws or latches on the laptop base to access battery compartment.
• Align connector pins and secure battery with factory screws or clips.
• Calibrate occasionally by charging to full, then discharging to 5–10% before recharge.

Who is this replacement battery for? The Vmaxxfanee DR02P is aimed at Dell users who need a cost-effective, OEM-style battery replacement for Latitude 5440/5540/5550 and Precision 3480/3490/3580/3590 series machines. It's ideal for students, remote workers and IT technicians who want a like-for-like battery with safety certifications, dependable capacity and a one-year warranty—without buying a new laptop.