We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Small round lithium CMOS battery for Dell Precision M6600

DBTLAP

DBTLAP CMOS Battery for Dell Precision M6600

SKU CH-8C4A-5XWHT

Replacement lithium CMOS battery restores BIOS settings and system clock on Dell Precision M6600 motherboards

  • Battery TypeLithium
  • Replacement CMOS battery for Dell Precision M6600
  • Lithium chemistry provides stable BIOS power
  • New, tested unit ready for installation
  • Single battery included in package
  • Fixes faulty, cracked or broken CMOS battery

Compatible CMOS Battery for Precision 6600

This replacement CMOS battery is designed for the Dell Precision M6600 laptop. It supplies power to the motherboard RTC and BIOS memory when the main battery is removed or depleted. The lithium cell arrives new and tested, ready to resolve date-time resets or BIOS checksum errors caused by a dead original.

Drop-in RTC cell for motherboard maintenance

The unit fits directly into the existing CMOS holder on the Precision M6600 mainboard, requiring no soldering or adapter cables. Swapping the cell restores persistent firmware settings without opening the main battery compartment. One battery is included in the package, freeing the technician from sourcing a matching coin cell separately.

Steady low-current output over years of uptime

Lithium chemistry delivers a stable voltage across the multi-year lifespan typical of RTC circuits, avoiding the rapid decay seen in short bursts of high drain. The cell maintains CMOS data through long storage periods and frequent cold boots. No capacity fade appears during normal standby loads, so the system clock and BIOS parameters stay intact between services.

Highlights

  • Replacement CMOS battery for Dell Precision M6600
  • Lithium chemistry provides stable BIOS power
  • New, tested unit ready for installation
  • Single battery included in package
  • Fixes faulty, cracked or broken CMOS battery

Specifications

Battery TypeLithium

Questions about this item

How long will the lithium CMOS battery last under continuous use in the Precision M6600?

The lithium cell is designed to maintain BIOS settings for several years of uninterrupted operation in the Precision M6600.

Does the CMOS battery generate any heat or noise during all-day use?

No, the passive lithium cell produces no audible noise and negligible heat while installed in the Precision M6600.

What tools or parts are required to install this CMOS battery in the Precision M6600?

A small Phillips screwdriver and access to the motherboard compartment are all that is needed for the Precision M6600.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.