Fancy Buying Laptop Battery R8D7N 11.4V 51Wh for Dell

Fancy Buying R8D7N is a 3-cell, 11.4V 51Wh lithium‑polymer replacement battery built to restore power to compatible Dell Precision, Latitude and Inspiron laptops.

If your Dell laptop no longer holds a dependable charge, this direct‑replacement battery from Fancy Buying offers a straightforward swap that matches the original form, voltage and capacity. It ships in black and includes a complimentary screwdriver to simplify installation. The pack is engineered with built‑in circuit protection and has CE/FCC safety certifications to help ensure stable operation when paired with listed Dell models and part numbers.

Which Dell models and part numbers will this battery work with?

The R8D7N battery is designed for a wide range of Dell Precision, Latitude and Inspiron series. It is cross‑referenced to multiple OEM part numbers so it fits machines that originally shipped with any of those IDs.

• Compatible models: Dell Precision 3540, 3550, M3540, M3550; Latitude 5400, 5410, 5500, 5510; Inspiron 7590, 7591, 7791 (2‑in‑1 series).
• Cross‑reference numbers: R8D7N, H82T6, 0C5GV2, 0W8GMW, 1V1XF, 4GVMP, P84F/P84F001, P80F/P80F001, P98G/P98G001.
• Check your laptop’s service tag or existing battery part number before purchase for guaranteed match.

How does the battery perform versus the original Dell pack?

This Fancy Buying replacement matches the original specifications — 11.4 volts and 51 watt‑hours — so it provides comparable runtime and system compatibility when installed correctly. The lithium‑polymer chemistry delivers steady energy output and a compact, lightweight profile.

• Capacity: 51Wh for similar on‑battery runtime to the OEM battery.
• Voltage: 11.4V to meet the laptop’s power requirements.
• Cells: 3‑cell lithium‑polymer construction for a thin, low‑weight pack.

Is installation safe and what protections are included?

The kit ships with one free screwdriver to assist with removal of the old battery and installation of the new one. Fancy Buying batteries include internal circuit safeguards and are manufactured under safety standards, with CE and FCC certifications noted to reduce electrical risks when used properly.

• Included tool: screwdriver for easier access and secure mounting.
• Built‑in protections: overcharge, overdischarge and short‑circuit safeguards.
• Certifications: CE and FCC compliance for safety and electromagnetic standards.

How can I confirm compatibility before ordering?

Before buying, locate the part number printed on your current battery or check your laptop’s service documentation. Compare that part number to the cross‑reference list and model names provided to ensure a correct fit.

• Look for model or part numbers on the existing battery label.
• Verify that your laptop model appears in the compatible list above.
• Contact support with your service tag if you’re unsure about a match.

Who this is for: This replacement battery is suited for owners of Dell Precision, Latitude and Inspiron laptops listed above who need a cost‑effective way to restore portable power. It’s ideal for users comfortable with a simple hardware swap, technicians sourcing compatible spares, and anyone who prefers a battery that mirrors OEM specifications while including a basic installation tool.