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Small silver coin cell CMOS battery with wire lead and connector

DBTLAP

DBTLAP CMOS Battery for Dell Alienware M17X R2

SKU CH-SNSA-SS2YZ

Replacement CMOS RTC battery restores BIOS settings on Dell Alienware M17X R2 laptops

  • Battery TypeLithium
  • New CMOS battery restores BIOS settings on Dell Alienware M17X R2
  • Lithium cell maintains real-time clock when main power is off
  • Tested before shipping to ensure reliable operation
  • Direct replacement for faulty or cracked original unit
  • Package includes one battery for immediate installation

DBTLAP CMOS Battery for Alienware M17X R2

This lithium CMOS battery replaces the BIOS RTC cell on the Dell Alienware M17X R2 motherboard. It restores system time and firmware settings when the original coin cell is exhausted. One tested unit is included in the package.

For owners of an Alienware M17X R2 losing BIOS

The part suits anyone whose laptop no longer holds the date or boot configuration after shutdown. It is not for users who need a main laptop battery or a charger, and it will not fit other Alienware models or different brands.

Lithium coin cell restores BIOS memory

The lithium chemistry provides the steady low current required by the real-time clock and CMOS RAM. Compatibility is limited to the Alienware M17X R2, so verify the exact model before ordering.

Highlights

  • New CMOS battery restores BIOS settings on Dell Alienware M17X R2
  • Lithium cell maintains real-time clock when main power is off
  • Tested before shipping to ensure reliable operation
  • Direct replacement for faulty or cracked original unit
  • Package includes one battery for immediate installation

Specifications

Battery TypeLithium

Questions about this item

What physical space does this CMOS battery need inside the Dell Alienware M17X R2?

The unit is a standard lithium CMOS RTC cell designed to fit the motherboard battery holder on the Alienware M17X R2.

How is this battery installed, and what step do people often miss?

Remove the old cell from the motherboard socket, insert the new one with the correct polarity, then reset the BIOS date and time so the system boots cleanly.

When will this CMOS battery need replacement again?

A lithium CMOS cell typically holds charge for several years; replace it when the laptop loses BIOS settings or shows a CMOS checksum error on startup.

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