---
product_id: 345295286
title: "Rome Tech CR2025 W CMOS Battery for Dell Alienware M15 / M17 Genuine KTS 8b1 - Laptop Backup BIOS RTC 3V with 2 Wire Cable FI Connector"
brand: "rome tech"
price: "€ 19.69"
currency: EUR
in_stock: true
reviews_count: 8
category: "Rome Tech"
url: https://www.desertcart.com.cy/products/345295286-rome-tech-cr2025-w-cmos-battery-for-dell-alienware-m15
store_origin: CY
region: Cyprus
---

# 225mAh long-lasting capacity 3V CR2025 Lithium power Quick 10-min Alienware install Rome Tech CR2025 W CMOS Battery for Dell Alienware M15 / M17 Genuine KTS 8b1 - Laptop Backup BIOS RTC 3V with 2 Wire Cable FI Connector

**Brand:** rome tech
**Price:** € 19.69
**Availability:** ✅ In Stock

## Summary

> 🔋 Power your Alienware like a pro — never miss a BIOS beat!

## Quick Answers

- **What is this?** Rome Tech CR2025 W CMOS Battery for Dell Alienware M15 / M17 Genuine KTS 8b1 - Laptop Backup BIOS RTC 3V with 2 Wire Cable FI Connector by rome tech
- **How much does it cost?** € 19.69 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/345295286-rome-tech-cr2025-w-cmos-battery-for-dell-alienware-m15)

## Best For

- rome tech enthusiasts

## Why This Product

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

## Key Features

- • **Ultra-Compact Design:** Small form factor fits tight laptop spaces without hassle.
- • **Hassle-Free Installation:** Get your Alienware up and running in just 10 minutes with included 3M adhesive.
- • **Precision Fit for Alienware M15/M17:** Seamlessly replace your BIOS battery with a perfect OEM-style fit.
- • **Trusted Quality with Responsive Support:** Rome Tech’s premium battery backed by dedicated customer service.
- • **Reliable 3V Lithium Manganese Dioxide Cell:** Ensures stable power delivery and extended motherboard backup.

## Overview

The RT-CMOS-14-01 is a premium 3V CR2025 lithium manganese dioxide CMOS battery designed specifically for Dell Alienware M15 and M17 laptops. With a compact size and 225mAh capacity, it offers reliable BIOS backup power and easy installation in under 10 minutes, supported by Rome Tech’s quality assurance and customer service.

## Description

Buy Rome Tech CR2025 W CMOS Battery for Dell Alienware M15 / M17 Genuine KTS 8b1 - Laptop Backup BIOS RTC 3V with 2 Wire Cable FI Connector: Batteries - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Worked Perfect for M17 Alienware - Worked as expected. Good fit and glad it included a 3M sticky on the back to stick to motherboard.
Review: Installs like OEM. - Looks just like the pic. Worked just fine.

## Features

- Rome Tech BIOS Alienware CMOS battery best suits to replace your broken or non-working old battery - we provide premium quality only
- CR2025 replacement battery compatible with Dell Alienware M15 / M17 Genuine
- Enjoy extended reliability of the CR2025 battery and heat shrink of a high caliber - the Alienware Alpha CMOS battery will last you for a long time
- The size of the entire unit is extremely small - will fit in almost any electronic device requires 3V ThinkPad 11E CMOS Battery CR2025 FI connector with 2 pins and 2 wires
- Quick and simple Alienware 17 R5 CMOS battery installation takes only 10 minutes of your time. Try our customer service for resolving any issues during battery replacement

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B094WC7H1Y |
| Antenna Location | Laptop |
| Battery Capacity | 225 Milliamp Hours |
| Battery Cell Composition | Lithium Manganese Dioxide |
| Battery Cell Type | Lithium Manganese Dioxide |
| Battery Weight | 3.2 Grams |
| Best Sellers Rank | #69,782 in Electronics ( See Top 100 in Electronics ) #1,071 in Laptop Batteries |
| Brand | Rome Tech |
| Built-In Media | Battery |
| Compatible Phone Models | see description |
| Customer Reviews | 4.4 out of 5 stars 19 Reviews |
| Manufacturer | Rome Tech |
| Model Name | cr2025 |
| Model Number | CMOSRTB227 |
| Number of Batteries | 1 Product Specific batteries required. |
| Recommended Uses For Product | Laptop |
| Reusability | Rechargeable |
| UPC | 372769847388 |
| Unit Count | 1 Count |
| Voltage | 3 Volts |
| Warranty Description | 30 Days |

## Product Details

- **Number of Batteries:** 1 Product Specific batteries required.
- **Brand:** Rome Tech
- **Battery Cell Composition:** Lithium Manganese Dioxide
- **Battery Capacity:** 225 Milliamp Hours
- **Recommended Uses For Product:** Laptop

## Images

![Rome Tech CR2025 W CMOS Battery for Dell Alienware M15 / M17 Genuine KTS 8b1 - Laptop Backup BIOS RTC 3V with 2 Wire Cable FI Connector - Image 1](https://m.media-amazon.com/images/I/612zA0JBb-L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Worked Perfect for M17 Alienware
*by C***R on April 28, 2025*

Worked as expected. Good fit and glad it included a 3M sticky on the back to stick to motherboard.

### ⭐⭐⭐⭐⭐ Installs like OEM.
*by D***. on December 3, 2025*

Looks just like the pic. Worked just fine.

### ⭐⭐⭐⭐⭐ CMOS Battery replacement for Alienware M15
*by P***S on December 14, 2024*

Had to replace the CMOS battery in my son's Alienware M15 and this worked perfectly. Couldn't ask for anything else.

## Frequently Bought Together

- Rome Tech CR2025 W CMOS Battery for Dell Alienware M15 / M17 Genuine KTS 8b1 - Laptop Backup BIOS RTC 3V with 2 Wire Cable FI Connector
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**Shop now:** [https://www.desertcart.com.cy/products/345295286-rome-tech-cr2025-w-cmos-battery-for-dell-alienware-m15](https://www.desertcart.com.cy/products/345295286-rome-tech-cr2025-w-cmos-battery-for-dell-alienware-m15)

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*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-01-29*