SUNNEAR 8N0T7 75Wh Battery for Dell XPS 15 9575

SUNNEAR 8N0T7 is a 75Wh/11.4V replacement battery designed to restore full runtime to compatible Dell XPS 15 9575 and Precision 5530 2-in-1 laptops.

If your XPS 15 9575 or Precision 5530 2-in-1 is losing runtime or shuts down unexpectedly, this SUNNEAR battery is built as a direct-fit swap that matches the original specification: 11.4 volts and 75Wh (6254mAh). The pack arrives with installation tools and clear notes so you can confirm model compatibility, connect the battery correctly, and run a few simple charge cycles to ensure proper calibration.

How do I know this battery fits my Dell laptop?

Compatibility is determined by the original battery model number and your laptop model. The SUNNEAR 8N0T7 aligns with a range of XPS 15 9575 SKUs and Precision 5530 2-in-1 variants; check the battery label under your laptop's back cover to confirm the part number before ordering.

• Matches model numbers: 8N0T7, 08N0T7, TMFYT, 0TMFYT, d69v4, 451-bcjq.
• Compatible with Dell XPS 15 9575 and many XPS 15-9575-* SKUs listed in the product details.
• Also compatible with Dell Precision 5530 2-in-1 and P73F/P73F001 variants.
• Recommendation: open the laptop base to verify the original battery model number before purchase.

What performance can I expect from the 75Wh SUNNEAR battery?

This replacement delivers capacity equal to the factory pack—75Wh (6254mAh) at 11.4V—so runtime should mirror the original under similar workload and settings. Actual battery life varies by CPU load, display brightness, and background processes, but you can expect comparable endurance to the OEM battery when correctly installed and calibrated.

• Rated capacity: 75Wh / 6254mAh at 11.4V.
• Designed to match factory runtime for XPS 15 9575 and similar models.
• Runtime depends on CPU (i5/i7), screen brightness, and applications in use.
• Includes tools to help ensure a proper, secure installation for optimal performance.

How do I install and activate the new battery safely?

Installation requires removing the laptop's back cover and unplugging the original pack; the included tools simplify that process. If your system does not immediately recognize the new battery, follow the recommended reboot and calibration steps to wake the pack and establish correct charge reporting.

• Power down, remove the back cover, and disconnect the old battery connector carefully.
• Reconnect the SUNNEAR battery ensuring the interface sits flush and secure.
• If not recognized, reinstall, then discharge to about 5% (avoid 0%) and perform 3–4 charge cycles.
• Calibration cycles help the OS read capacity and restore accurate battery reporting.

Are there any purchasing cautions or compatibility tips?

Because Dell has many closely related battery part numbers, confirm the label on your original battery before ordering to avoid mismatches. The listing provides alternative part numbers and model families; if you are unsure, open the back cover to verify the exact factory part number.

• Verify original battery part number under the laptop’s rear cover before purchase.
• Use included tools and follow electrostatic-discharge precautions during replacement.
• Contact support if the battery won’t power on after a few calibration cycles.
• Keep your original battery until the new pack is tested and operating correctly.

Who is this for: The SUNNEAR 8N0T7 replacement battery is aimed at owners of Dell XPS 15 9575 and Precision 5530 2-in-1 systems who need OEM-equivalent capacity to restore laptop runtime. It's a practical option for power users, mobile professionals, and repair technicians who prefer a direct-fit pack with included installation tools and clear compatibility references.