Dell MR90 Y XCMRD Battery for Inspiron 15 3521 17 3721 | 65 Wh Long-Life

Breathe New Life into Your Dell Inspiron with an Authentic High-Capacity Battery

Unchain your Dell Inspiron from the wall socket and reclaim its portability. The Dell MR90Y / XCMRD Laptop Battery is a genuine, high-performance power solution designed to restore your laptop's original endurance and reliability. Engineered specifically for seamless compatibility with models like the Inspiron 15 3521 and 17 3721, this 65Wh long-life battery ensures you have the power you need to stay productive, entertained, and connected, wherever you go. Stop letting a weak or failing battery dictate your workflow and invest in a replacement that offers performance you can trust.

Key Features

• Genuine Dell Product: Authentically manufactured by Dell to meet the highest standards of quality, safety, and performance, ensuring perfect integration with your laptop's power management system.
• Extended 65Wh Capacity: This high-capacity 6-cell battery provides significantly longer runtimes compared to standard batteries, allowing you to work, study, or stream for hours on a single charge.
• Precise Power Delivery: Operating at a stable 11.1V, this battery delivers consistent and reliable power, protecting your laptop's sensitive internal components from voltage fluctuations.
• Guaranteed Compatibility: Designed as a direct replacement for part numbers MR90Y and XCMRD, this battery guarantees a perfect fit and flawless communication with your Dell Inspiron laptop.
• Advanced Safety Protocols: Built with integrated safety features, including protection against overcharging, overheating, and short-circuiting, to ensure safe operation for both you and your device.
• 1-Year Manufacturer Warranty: Purchase with absolute confidence, as this battery is backed by a comprehensive 1-year warranty that covers any manufacturing defects.

Unlock True Mobility and Performance

Regain the freedom to use your laptop as it was intended—on the go. This 65Wh battery provides the endurance you need for long meetings, classes, or cross-country flights without the constant anxiety of searching for a power outlet. It's the ideal solution for students, professionals, and anyone who values mobility. By replacing your old, worn-out battery, you not only improve your daily user experience but also extend the overall lifespan of your trusted Dell Inspiron, making it a smart and cost-effective upgrade.

Unlike generic third-party alternatives that can offer inconsistent performance and pose potential safety risks, this genuine Dell battery ensures optimal power efficiency and longevity. Installation is straightforward, allowing you to quickly and easily swap out your old battery and get back to what matters most. By choosing an authentic Dell product, you are choosing reliability, safety, and the peace of mind that comes with a quality-guaranteed component.

Product Specifications and Compatibility

Brand: Dell

Product Name: MR90Y / XCMRD Laptop Battery

Capacity: 65Wh (An alternative 40Wh, 14.8V version is also available for some models)

Voltage: 11.1V

Warranty: 1 Year Manufacturer Warranty

GTIN: 712322115828

Group ID: 886729436883

HSN Code: 8507

Weight: 0.9 kg

Dimensions (L x W x H): 45.5 x 20 x 5.4 cm

Full List of Compatible Laptop Models

This battery is a confirmed fit for the following Dell Inspiron and Vostro models. Please verify your laptop model number before purchasing.

Dell Inspiron 14 (3421, 3437, 3442)

Dell Inspiron 14R (5421, 5437)

Dell Inspiron 15 (3521, 3537, 3541, 3542)

Dell Inspiron 15R (5521, 5537)

Dell Inspiron 17 (3721, 3737)

Dell Inspiron 17R (5721, 5737)

Dell Latitude 3440

Dell Latitude 3540

Dell Vostro 2421

Dell Vostro 2521

Full List of Compatible Part Numbers

This battery can be used to replace any of the following original Dell battery part numbers. Please check the part number on your current battery to ensure compatibility.

MR90Y

XCMRD

N121Y

G35K4

MK1R0

PVJ7J

T1G4M

V1YJ7

V8VNT

VR7HM

W6XNM

X29KD

49VTP

4DMNG

4WY7C

68DTP

6HY59

6K73M

6KP1N

6XH00

8RT13

8TT5W

9K1VP

DJ9W6

FW1MN

G019Y