91Wh MFKVP Li-polymer Battery Replacement for Dell Precision - Long

In this review of the 91Wh MFKVP Li-polymer battery replacement for Dell Precision laptops, the bottom line is simple: it is a practical, high-capacity swap for users who need longer unplugged runtime without replacing their laptop. The reviewer found it best for professionals and power users running Precision 15 and 17 series machines who want a near-original fit and higher usable capacity. The pack's 11.4V/91Wh rating and six A+ cells promise extended sessions away from a desk, and the included screwdrivers make installation straightforward for someone comfortable with a little DIY.

Key Features

• High Capacity: The 91Wh capacity provides noticeably longer runtime compared with many older or worn OEM packs, so users can work longer between charges.
• Direct Compatibility: Fits multiple Dell Precision 15 7510/7520 and 17 7710/7720 models and matching part numbers for a hassle-free replacement process.
• Li-polymer Chemistry: The Li-polymer cells and updated circuit boards are assembled to support fast charging and reduced power drain in everyday use.
• Complete Kit: Ships in black and includes two free screwdrivers, which makes replacing the battery easier for owners who want to avoid a service visit.
• Durability and Support: Rated for up to 500 recharge cycles and backed by a 12-month exchange policy plus 90-day money-back protection for buyer confidence.

Who It's For

This replacement battery is aimed at owners of Dell Precision 15 7510/7520 and 17 7710/7720 series or their M7510/M7710 variants who need to extend on-battery time for travel, field work, or long meetings. It is a good match for advanced users who can confirm their laptop model or original battery part number and perform a straightforward swap.

Users who prefer factory-authorized service, sealed internal batteries that must be changed by a technician, or who require a branded OEM warranty might look elsewhere. Also, anyone uncomfortable opening a laptop should consider professional installation.

Pros & Cons

Pros

• High 91Wh capacity delivers clear runtime improvement for demanding tasks.
• Wide compatibility with multiple Precision models and listed part numbers reduces fitment guesswork.
• Includes two screwdrivers and a lightweight 1.0lb battery for easy installation and portability.
• Backed by 12-month exchange support and a 90-day return policy for after-sale assurance.

Cons

• Not an OEM-branded pack, so users wanting original manufacturer labeling should be aware it is a third-party replacement.
• Installation requires opening the laptop, which may be inconvenient for users who prefer professional service.

Specifications

Model	MFKVP (0MFKVP / 0FNY7)
Battery Type	Li-polymer
Voltage	11.4V
Capacity	91Wh
Cells	6 - A+ cells
Weight	16oz / 1.0lb
Warranty	12 months replacement, 90 days money back

Our Verdict

The 91Wh MFKVP Li-polymer battery is a sensible, cost-effective replacement for Dell Precision 15 and 17 series owners who need more portable runtime and a straightforward swap. With strong capacity, clear compatibility listings, included tools, and a one-year exchange policy, it represents good value for users comfortable with self-installation and third-party components.

Frequently Asked Questions

Will this battery fit my Precision 7510 or 7710?
Check the laptop model and original battery part number against the listed compatible models and part numbers; it is designed to fit Precision 15 7510/7520 and 17 7710/7720 series and matching P/Ns.

How long will the battery hold a charge over time?
The pack uses Li-polymer cells rated for up to 500 recharge cycles, so you can expect sustained capacity for a few years under normal use before noticeable decline.

What kind of after-sale support is available?
The product includes a 90-day full refund option and 12 months free exchange support, with warehouses for quicker service if a replacement is needed.