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Small round lithium CMOS battery marked 412

DBTLAP

DBTLAP CMOS Battery For Dell XPS L412z

SKU CH-566N-XVTYF

Lithium CMOS battery replaces the faulty BIOS RTC cell on Dell XPS L412z motherboards

  • Battery TypeLithium
  • Compatible with Dell XPS L412z model
  • Lithium chemistry provides reliable CMOS power
  • Replaces faulty or cracked BIOS battery
  • Pre-tested unit ensures dependable operation
  • Includes one CMOS battery for motherboard installation

Replacement CMOS Battery for Dell XPS L412z

This lithium coin cell replaces the BIOS RTC battery on Dell XPS L412z motherboards. It restores system time and CMOS settings after the original cell fails. Each unit is tested before shipping. The package contains one battery.

Practical Limits of a Coin-Cell RTC Battery

A lithium coin cell holds charge for years but will eventually deplete and lose timekeeping when the laptop is unplugged. It cannot power the main system or charge other components. Replacement requires opening the chassis and accessing the motherboard socket.

Compatibility Check Before Ordering

Confirm the laptop model is exactly Dell XPS L412z before purchasing. Verify the motherboard uses a standard removable coin cell rather than a soldered or cabled variant. Ensure you are comfortable disassembling the laptop to reach the CMOS socket.

Highlights

  • Compatible with Dell XPS L412z model
  • Lithium chemistry provides reliable CMOS power
  • Replaces faulty or cracked BIOS battery
  • Pre-tested unit ensures dependable operation
  • Includes one CMOS battery for motherboard installation

Specifications

Battery TypeLithium

Questions about this item

Which DBTLAP CMOS battery version fits the Dell XPS L412z?

The listing specifies a single lithium CMOS battery packaged as one unit for the Dell XPS L412z motherboard.

What does the lithium CMOS battery actually do once installed in the laptop?

It powers the real-time clock and BIOS settings so the system keeps correct time and boot configuration when the main battery is removed or drained.

What interface does this CMOS battery use and what does that limit in practice?

It connects via the standard motherboard coin-cell header, limiting use to boards with that same two-pin connector layout.

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