Description
Product Information
- Item Condition: Brand New
- Color: Black
- Capacity: 65Wh
- Output Voltage (Volts): 1.1V / 14.8V
- Number of Cells: Cells
- Package Included: 1 x Battery for Dell
- Warranty: 12 Months / 30-Day Return
Compatible Part Numbers (not all):
Dell 0K9XJR,Dell 0MF69,Dell 163DR,Dell 24DRM,Dell 312-1390,Dell 312-1392,Dell 312-1433,Dell 451-12104,Dell 49VTP,Dell 4DMNG,Dell 68DTP,Dell 6HY59,Dell 6K73M,Dell 6KP1N,Dell 6XH00,Dell 8TT5W,Dell 9K1VP,Dell ADI14D,Dell DJ9W6,Dell G019Y,Dell G35K4,Dell K9XJR,Dell MK1R0,Dell MR90Y,Dell PVJ7J,Dell V1YJ7,Dell VR7HM,Dell W6XNM,Dell X29KD’],Dell YGMTN,
Compatible Laptop Model Series (not all):
Dell Inspiron 14 (3421),Dell Inspiron 14 (3437),Dell Inspiron 14 (3442),Dell Inspiron 14 (3443),Dell Inspiron 14 (7447),Dell Inspiron 14R (5437),Dell Inspiron 15 (3521),Dell Inspiron 15 (3531),Dell Inspiron 15 (3537),Dell Inspiron 15 (3542),Dell Inspiron 15 (3543),Dell Inspiron 15R (5521),Dell Inspiron 15R (5537),Dell Inspiron 17 (3721),Dell Inspiron 17 (3737),Dell Inspiron 17 (5748),Dell Inspiron 17 (5749),Dell Inspiron 17R (5721),Dell Inspiron 17R (5737),Dell Inspiron M531R,Dell Latitude 14 (3440),Dell Latitude 15 (3540)
65Wh MR90Y Replacement Battery for Dell Inspiron & Latitude
Give your Dell laptop a new lease on life with the MR90Y (65Wh) premium replacement battery. This high-capacity power cell is designed for an extensive range of Dell Inspiron 14, 15, and 17 series (3000 & 5000 models), as well as the Latitude 3440/3540 business series. It provides stable 14.8V power, ensuring your reliable companion stays productive during travel, classes, or work.
Technical Specifications
| Part Number | MR90Y / G35K4 / K9XJR / YGMTN / 4DMNG / 6HY59 |
| Voltage | 14.8 Volts (Compatible with 11.1V/14.4V) |
| Capacity | 65 Wh |
| Cell Type | Premium Li-ion Cells |
| Condition | Brand New |
| Warranty | 12 Months / 30-Day Return |
Broad Model Compatibility
This battery fits hundreds of Dell models. Key series include:
Inspiron 14 & 14R: 3421, 3437, 3442, 3443, 7447, 5437
Inspiron 15 & 15R: 3521, 3531, 3537, 3542, 3543, 5521, 5537
Inspiron 17 & 17R: 3721, 3737, 5748, 5749, 5721, 5737
Latitude & Vostro: Latitude 3440, 3540; Vostro 2421, 2521
Why Choose the MR90Y Replacement?
- Proven Reliability: One of Dell’s most tested battery architectures, ensuring stable power delivery across legacy and modern workloads.
- Plug-and-Play Design: External battery latches allow for instant, tool-free installation. No need to open your laptop’s chassis.
- Grade-A Lithium Cells: High-density cells provide consistent discharge and a long cycle life, reducing the need for frequent replacements.
- Advanced Safety Suite: Built-in protection against over-charge, over-discharge, and thermal spikes to keep your device safe.
Frequently Asked Questions
Q: My original battery says 11.1V. Is this 14.8V version compatible?
A: Yes. The MR90Y series was produced in different voltage configurations (11.1V and 14.8V) depending on the cell count. They are cross-compatible with the laptop models listed above.
Q: Will this make my laptop heavier?
A: This is the standard capacity battery. It provides a balanced ratio of runtime to weight, fitting flush within the original battery bay without adding extra bulk.
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