---
product_id: 345295286
title: "CR2025 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: "13513CFA"
currency: XOF
in_stock: true
reviews_count: 8
category: "Rome Tech"
url: https://www.desertcart.sn/products/345295286-cr2025-cmos-battery-for-dell-alienware-m15-m17-genuine-kts
store_origin: SN
region: Senegal
---

# 225mAh Long-lasting Capacity 3V Lithium Manganese Dioxide Power Plug & Play 2-pin FI Connector CR2025 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:** 13513CFA
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** CR2025 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?** 13513CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/345295286-cr2025-cmos-battery-for-dell-alienware-m15-m17-genuine-kts)

## 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

- • **Trusted by Pros:** 4.5-star rated with sticky backing for secure motherboard attachment and peace of mind.
- • **Compact Powerhouse:** Ultra-small CR2025 size designed to fit tight laptop spaces without compromise.
- • **Durable & Dependable:** Premium heat shrink protection ensures longevity under intense gaming sessions.
- • **Quick 10-Minute Installation:** Minimal downtime with easy plug-and-play setup—get back to work or play fast.
- • **Effortless OEM-Grade Replacement:** Seamlessly fits Dell Alienware M15/M17 BIOS for instant reliability.

## Overview

The Rome Tech CR2025 CMOS Battery is a genuine, high-quality 3V lithium manganese dioxide replacement designed specifically for Dell Alienware M15 and M17 laptops. Featuring a compact form factor, 225mAh capacity, and a 2-pin FI connector, it offers reliable BIOS backup power with easy installation and enhanced durability, backed by strong customer satisfaction.

## Description

Buy Rome Tech CR2025 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: Installs like OEM. - Looks just like the pic. Worked just fine.
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.

## 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 g |
| Best Sellers Rank | #12,825 in Computers & Accessories ( See Top 100 in Computers & Accessories ) #637 in Laptop Batteries |
| Brand | Rome Tech |
| Compatible Phone Models | see description |
| Customer Reviews | 4.5 out of 5 stars 20 Reviews |
| Included Components | Battery |
| 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

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

## Images

![CR2025 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/61KufgibQML.jpg)

## Customer Reviews

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

Looks just like the pic. Worked just fine.

### ⭐⭐⭐⭐⭐ 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.

### ⭐⭐⭐⭐⭐ Works on my old Alienware laptop. Lasts around 2 years.
*by E***E on May 14, 2024*

Is your PC kicking off one of those dreaded CMOS errors that sounds serious but only means the battery needs to be swapped out? This will fix it. The last one i bought lasted about 2 years. My Alienware had zero issues recognizing it.

## 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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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-09-10*