---
product_id: 78366513
title: "New Laptop Battery MR90Y 11.1V 65Wh for Dell Inspiron 14-3421 14-3437 14R-5421 14R-5437, 15-3521 15-3537 15R-5521 15R-5537, 17-3721 17-3737 17R-5737; PN: 0MF69 N121Y G35K4 MK1R0 VR7HM"
brand: "poanw"
price: "€ 8.02"
currency: EUR
in_stock: true
url: https://www.desertcart.fi/products/78366513-new-laptop-battery-mr90y-11-1v-65wh-for-dell-inspiron
store_origin: FI
region: Finland
---

# 11.1V Voltage 65Wh Power Safety Circuit New Laptop Battery MR90Y 11.1V 65Wh for Dell Inspiron 14-3421 14-3437 14R-5421 14R-5437, 15-3521 15-3537 15R-5521 15R-5537, 17-3721 17-3737 17R-5737; PN: 0MF69 N121Y G35K4 MK1R0 VR7HM

**Brand:** poanw
**Price:** € 8.02
**Availability:** ✅ In Stock

## Summary

> 🔋 Power Up Your Day with Confidence!

## Quick Answers

- **What is this?** New Laptop Battery MR90Y 11.1V 65Wh for Dell Inspiron 14-3421 14-3437 14R-5421 14R-5437, 15-3521 15-3537 15R-5521 15R-5537, 17-3721 17-3737 17R-5737; PN: 0MF69 N121Y G35K4 MK1R0 VR7HM by poanw
- **How much does it cost?** € 8.02 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/78366513-new-laptop-battery-mr90y-11-1v-65wh-for-dell-inspiron)

## Best For

- poanw enthusiasts

## Why This Product

- Trusted poanw brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safety First:** Built-in circuit protection minimizes risks, giving you peace of mind while you work.
- • **Eco-Friendly Power:** Lithium-ion technology reduces leakage risks, promoting a sustainable choice.
- • **Seamless Compatibility:** Perfectly replaces multiple Dell Inspiron models, making it your go-to battery solution.
- • **Customer-Centric Warranty:** Enjoy a 12-month warranty and dedicated support, because your satisfaction is our priority.
- • **Unleash Your Productivity:** High-capacity 65Wh battery ensures you stay powered through your busiest days.

## Overview

The New Laptop Battery MR90Y offers a robust 11.1V and 65Wh capacity, designed for compatibility with various Dell Inspiron models. Featuring advanced lithium-ion technology and built-in safety circuits, this battery ensures reliable performance and longevity, backed by a 12-month warranty and exceptional customer service.

## Description



## Features

- New battery high capacity, 11.1V 65WH, effective capacity.
- Replaced by: Dell Inspiron 14R (5421, 5437), Inspiron 15R (3521), Inspiron 17R (5521, 5537), compatible with P / N: MR90Y, N121Y, G35K4, MK1R0, YGMTN.
- Package includes: 1 * for Dell MR90Y
- Lithium-ion batteries reduce the risk of battery leakage and maximize output stability. Built-in circuit protection enhances safety of use and extends battery life.
- What do you get: our fans' favorite 12-month warranty and friendly customer service.

## Images

![New Laptop Battery MR90Y 11.1V 65Wh for Dell Inspiron 14-3421 14-3437 14R-5421 14R-5437, 15-3521 15-3537 15R-5521 15R-5537, 17-3721 17-3737 17R-5737; PN: 0MF69 N121Y G35K4 MK1R0 VR7HM - Image 1](https://m.media-amazon.com/images/I/51RygrQ5RgL.jpg)
![New Laptop Battery MR90Y 11.1V 65Wh for Dell Inspiron 14-3421 14-3437 14R-5421 14R-5437, 15-3521 15-3537 15R-5521 15R-5537, 17-3721 17-3737 17R-5737; PN: 0MF69 N121Y G35K4 MK1R0 VR7HM - Image 2](https://m.media-amazon.com/images/I/61NsOSWkHgL.jpg)
![New Laptop Battery MR90Y 11.1V 65Wh for Dell Inspiron 14-3421 14-3437 14R-5421 14R-5437, 15-3521 15-3537 15R-5521 15R-5537, 17-3721 17-3737 17R-5737; PN: 0MF69 N121Y G35K4 MK1R0 VR7HM - Image 3](https://m.media-amazon.com/images/I/61TGuCYMcWL.jpg)
![New Laptop Battery MR90Y 11.1V 65Wh for Dell Inspiron 14-3421 14-3437 14R-5421 14R-5437, 15-3521 15-3537 15R-5521 15R-5537, 17-3721 17-3737 17R-5737; PN: 0MF69 N121Y G35K4 MK1R0 VR7HM - Image 4](https://m.media-amazon.com/images/I/51iS8tclRsL.jpg)
![New Laptop Battery MR90Y 11.1V 65Wh for Dell Inspiron 14-3421 14-3437 14R-5421 14R-5437, 15-3521 15-3537 15R-5521 15R-5537, 17-3721 17-3737 17R-5737; PN: 0MF69 N121Y G35K4 MK1R0 VR7HM - Image 5](https://m.media-amazon.com/images/I/61P7K5y-UnL.jpg)

## Questions & Answers

**Q: Do you know if this battery is compatible to Dell part 312-1437**
A: It is compatible with Dell part 312-1437

**Q: 6 cell or 4 cell? Weight would indicate 6.**
A: No

**Q: Does this battery work properly in a dell 17r 5737 laptop?**
A: No problems since purchase. That was one year ago.

**Q: Does this battery work in the Dell Inspiron 14-3421without any issues?**
A: I’ve had no issues.

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**Shop now:** [https://www.desertcart.fi/products/78366513-new-laptop-battery-mr90y-11-1v-65wh-for-dell-inspiron](https://www.desertcart.fi/products/78366513-new-laptop-battery-mr90y-11-1v-65wh-for-dell-inspiron)

---

*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-01-23*