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DBTLAP

DBTLAP CMOS RTC Battery for Dell XPS L412z

SKU CH-0NYZ-91JX9

Lithium CMOS RTC battery replaces the motherboard clock cell on Dell XPS L412z laptops

  • Battery TypeLithium
  • Direct replacement for Dell XPS L412z motherboard
  • Lithium cell keeps system clock and BIOS settings
  • Tested before shipping for reliable operation
  • New CMOS RTC battery, not a main laptop battery
  • Single unit supplied ready to install

CMOS RTC Battery for Dell XPS L412z

This lithium CMOS RTC battery replaces the motherboard clock cell in Dell XPS L412z laptops. It is a new component designed for system boards, not the main laptop power pack. The unit arrives tested and ready to install.

Single Battery in Package

The box contains one CMOS battery only. No cables, brackets, or software are included. The part directly restores BIOS timekeeping and CMOS settings when the original cell fails.

Tested Lithium Cell

Each battery is checked before dispatch to confirm reliable operation. The lithium chemistry provides stable voltage for real-time clock circuits. Installation requires opening the laptop chassis to access the motherboard socket.

Highlights

  • Direct replacement for Dell XPS L412z motherboard
  • Lithium cell keeps system clock and BIOS settings
  • Tested before shipping for reliable operation
  • New CMOS RTC battery, not a main laptop battery
  • Single unit supplied ready to install

Specifications

Battery TypeLithium

Questions about this item

How often will the CMOS RTC battery in my Dell XPS L412z need replacement?

The lithium CMOS battery typically lasts several years before the system clock drifts or BIOS settings reset, signalling it is time for a fresh unit.

What is the first sign that the CMOS battery is failing during continuous operation?

You will notice the system clock losing time or BIOS configuration clearing after the laptop has been powered off for a while.

Does the replacement battery generate any noticeable heat or noise while the laptop runs all day?

No, the coin-cell CMOS battery is passive; it produces no heat, noise or measurable power draw during normal operation.

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