CMOS Battery for Dell Alienware M11x, M11x R2, M11x R3, M14x, M14x R2 - Backup BIOS RTC 3V CR2032 with 2 Pin 2 Wire Cable
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.
Bottom line: The CMOS Battery for Dell Alienware M11x, M11x R2, M11x R3, M14x, M14x R2 - Backup BIOS RTC 3V CR2032 with 2 Pin 2 Wire Cable is a solid pick with broad community endorsement in the tools & maintenance category, priced around $6.49, rated 4.4★ across 79 verified Amazon reviews. A solid choice — worth comparing against one or two close alternatives first.
SpecPicks Verdict
SpecPicks classifies Rome Tech CMOS Battery for Dell Alienware M11x, M11x R2, M11x R3… as a solid pick with broad community endorsement in the tools & maintenance category, based on 79 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Rome Tech's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for tools & maintenance of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Solid 4.4★ customer rating
- ✓ Backed by Rome Tech's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- Rome Tech BIOS CMOS battery for PC Motherboard best suits to replace your broken or non-working old battery - we provide premium quality only
- Dell laptop batteries Compatible with Dell Alienware M11x / Dell Alienware M11x R2 / Dell Alienware M11x R3 / Dell Alienware M14x / Dell Alienware M14x R2 / Dell Alienware M17x R2 / Dell Alienware M18x / Dell Alienware M18x R2 / Dell Alienware 13 / Dell Alienware 13 R2
- Enjoy extended reliability of the CR2032 Dell laptop replacement battery and heat shrink of a high caliber - the 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 Dell Battery replacement connector with 2 pins and 2 wires
- Quick and simple computer backup battery installation takes only 10 minutes of your time. Try our customer service for resolving any issues during battery replacement
Full Specifications
| Brand | Rome Tech |
|---|---|
| Voltage | 3 Volts |
| Model Name | cr2032 |
| Unit Count | 1.0 Count |
| Reusability | Single Use |
| Model Number | CMOSRTB227 |
| Compatibility | PC |
| Battery Weight | 23 Grams |
| Built-In Media | battery |
| Antenna Location | Laptop |
| Battery Capacity | 225 Milliamp Hours |
| Battery Cell Type | Lithium Ion |
| Number of Batteries | 1 CR2032 batteries required. |
| Warranty Description | 30 Days |
Ready to buy?
Rome Tech CMOS Battery for Dell Alienware M11x, M11x R2, M11x R3, M14x, M14x R2 - Backup BIOS RTC 3V CR2032 with 2 Pin 2 Wire Cable is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.