--- 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: "₨318" currency: SCR in_stock: true reviews_count: 8 category: "Rome Tech" url: https://www.desertcart.sc/products/345295286-rome-tech-cr2025-w-cmos-battery-for-dell-alienware-m15 store_origin: SC region: Seychelles --- # 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:** ₨318 **Availability:** βœ… In Stock ## Summary > πŸ”‹ Power your Alienware like a pro β€” 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?** ₨318 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/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 - β€’ **Ultra-Compact Design:** Small form factor fits tight laptop spaces without hassle. - β€’ **Hassle-Free Installation:** Get your Alienware up and running in just 10 minutes with included 3M adhesive. - β€’ **Precision Fit for Alienware M15/M17:** Seamlessly replace your BIOS battery with a perfect OEM-style fit. - β€’ **Trusted Quality with Responsive Support:** Rome Tech’s premium battery backed by dedicated customer service. - β€’ **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 Product description PERFECT CMOS BATTERY FOR YOUR DEVICE BIOS CMOS RTC Lithium-Ion Coin Cell Batteries Rome Tech Lithium Coin Cell Batteries keep laptops and small electronics powered and ready. Ideal for notebooks, netbooks, laptops, portable computers, warehouse scanners, household devices, and much more. Rome Tech CMOS RTC batteries are small but effective batteries that offer long-lasting battery life coupled with safety and reliability. Small but Powerful Boasting high power in a small size, Rome Tech zero-mercury lithium-ion batteries are built to last and designed to perform in extreme environments. Buy a Rome Tech RTC CMOS replacement battery for home and office use. Easy Replacement Rome Tech CMOS batteries are simple to replace in a wide variety of laptops and netbook devices. Each battery includes an identification label so you can easily verify the authenticity and a matching connector for 100% compatibility. Housed in protective packaging, the CMOS RTC battery can be easily removed and installed without soldering or modifications. Replace original OEM battery with a high-quality Rome Tech RTC CMOS BIOS battery Contains one Rome Tech 2025 Lithium coin-type battery Holds power for up to 10 years in storage, ensuring you have CMOS batteries ready when you need them Cell size: 2025; IEC: CR2025; Type: Lithium Coin; Volt: 3 These lithium batteries can withstand a wide temperature range, from -22ΒΊ to 140ΒΊ F CMOS Battery Standard Technical Specification UNIVERSAL BATTERY COMPATIBLE NOT ONLY WITH DELL LAPTOPS BUT WITH OTHER DEVICES Suitable for other devices Delivers long-lasting, dependable performance in specialty devices like laptops, scanners, remotes, keyless entry systems, glucose monitors, toys, and games Summary These reliable and durable Rome Tech CMOS RTC Coin Lithium-Ion Batteries are able to withstand a wide range of temperatures (from -22ΒΊ to 140ΒΊ F) and can hold power in storage for up to 10 years, giving you coin battery power you can depend on. Responsibly designed with zero mercury and easy to open the packaging to save time and the environment, it’s easy to see why Rome Tech CMOS RTC Lithium-Ion Coin Batteries are the right choice for your specialty devices. ## 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 | #106,509 in Electronics ( See Top 100 in Electronics ) #1,778 in Laptop Batteries | | Brand | Rome Tech | | Built-In Media | Battery | | Compatible Phone Models | see description | | Customer Reviews | 4.5 out of 5 stars 20 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 - **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 ![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) ![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 2](https://m.media-amazon.com/images/I/514zORA40IL.jpg) ![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 3](https://m.media-amazon.com/images/I/51AgW-EkEYL.jpg) ![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 4](https://m.media-amazon.com/images/I/510oEvjlQoL.jpg) ![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 5](https://m.media-amazon.com/images/I/51CU7bSM6lL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by B***B on December 3, 2025* ### ⭐⭐⭐⭐⭐ Review *by C***R on April 28, 2025* ### ⭐⭐⭐⭐⭐ Review *by E***E on May 14, 2024* ## 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 - OUWEE 1F22N Laptop Battery for Dell Alienware M15 R1 M17 R1, G5 15 5590 5590-D2783W 5590-D2743B D2842W D2843W D2865B G7 7590 D2785B ALW15M-D1523S, fit for JJPFK 0JJPFK 06YV0V HYWXJ 0HYWXJ 15.2V 60WH --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sc/products/345295286-rome-tech-cr2025-w-cmos-battery-for-dell-alienware-m15](https://www.desertcart.sc/products/345295286-rome-tech-cr2025-w-cmos-battery-for-dell-alienware-m15) --- *Product available on Desertcart Seychelles* *Store origin: SC* *Last updated: 2026-05-18*