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
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

$6.49 ★★★★☆4.4(79 reviews)

*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

BrandRome Tech
Voltage3 Volts
Model Namecr2032
Unit Count1.0 Count
ReusabilitySingle Use
Model NumberCMOSRTB227
CompatibilityPC
Battery Weight23 Grams
Built-In Mediabattery
Antenna LocationLaptop
Battery Capacity225 Milliamp Hours
Battery Cell TypeLithium Ion
Number of Batteries1 CR2032 batteries required.
Warranty Description30 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.

Check price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.

Related Tools & Maintenance

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
$6.49
4.4★ (79)
View on Amazon →