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Small silver coin-cell battery with attached cable and connector

DBTLAP

DBTLAP CMOS RTC Battery for Dell Alienware 13 R2 R3

SKU CH-DTWV-H1GCK

Replacement CMOS RTC battery restores BIOS settings and system clock on Dell Alienware 13 R2 R3 laptops

  • Battery TypeLithium
  • Compatible with Dell Alienware 13 R2 R3 systems
  • Lithium chemistry provides reliable CMOS power retention
  • Pre-tested unit ensures immediate BIOS clock function
  • Direct replacement for faulty or depleted RTC batteries
  • Single battery package simplifies motherboard maintenance

What this product is

This is a DBTLAP lithium CMOS RTC battery designed for Dell Alienware 13 R2 R3 laptops. It replaces the BIOS coin cell on the motherboard, not the main laptop battery. The unit is new and tested before shipping.

What to check before ordering

Confirm your laptop model is exactly Alienware 13 R2 or R3 before purchase. Verify the existing motherboard battery is a standard coin cell that matches this replacement. Ensure you are comfortable opening the chassis to access the motherboard.

Who this suits and who should look elsewhere

Suitable for owners of the listed Alienware models who need to fix BIOS time loss or CMOS checksum errors. Not for users seeking a main laptop power battery, nor for any other laptop brand or model.

Highlights

  • Compatible with Dell Alienware 13 R2 R3 systems
  • Lithium chemistry provides reliable CMOS power retention
  • Pre-tested unit ensures immediate BIOS clock function
  • Direct replacement for faulty or depleted RTC batteries
  • Single battery package simplifies motherboard maintenance

Specifications

Battery TypeLithium

Questions about this item

What comes in the package and is any extra hardware needed?

The box contains one CMOS RTC battery. No additional cables or brackets are required for installation.

Which version of this battery fits my Alienware 13 R2 or R3?

This single lithium CMOS battery is compatible with both the Alienware 13 R2 and R3 models.

What does the lithium chemistry mean for real-world BIOS retention?

The lithium cell provides stable voltage to keep BIOS settings and the real-time clock running when the main power is off.

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