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Coin-cell CMOS battery for Acer Aspire 7540G laptop motherboard

DBTLAP

DBTLAP CMOS Battery For Acer Aspire 7540G

SKU CH-57CS-9DJJT

A lithium CMOS battery that keeps the system clock and BIOS settings on an Acer Aspire 7540G motherboard

  • Battery TypeLithium
  • Keeps system time and BIOS settings accurate
  • Lithium chemistry provides stable voltage for CMOS memory
  • Direct replacement for the Acer Aspire 7540G motherboard
  • Each unit tested before shipping for reliability
  • Single battery included, ready to install

CMOS Battery for Acer Aspire 7540G

This lithium CMOS battery replaces the BIOS RTC cell on the motherboard of an Acer Aspire 7540G laptop. It maintains system time and firmware settings when the main power is removed. The unit is supplied new and tested before dispatch.

Suitable for owners fixing a dead CMOS cell

It suits anyone whose Acer Aspire 7540G loses the date, time or BIOS configuration after shutdown. It is not a main laptop battery and will not power the portable for mobile use. Buyers needing a primary power pack should look elsewhere.

Lithium coin cell chemistry

The battery uses a lithium chemistry to provide the low, steady voltage required by the real-time clock circuit. This single specification confirms it as the correct replacement type for the motherboard RTC function.

Highlights

  • Keeps system time and BIOS settings accurate
  • Lithium chemistry provides stable voltage for CMOS memory
  • Direct replacement for the Acer Aspire 7540G motherboard
  • Each unit tested before shipping for reliability
  • Single battery included, ready to install

Specifications

Battery TypeLithium

Questions about this item

Which Acer laptop model is this CMOS battery designed for?

This CMOS battery is compatible with the Acer Aspire 7540G laptop motherboard.

Will this replacement work if I keep my existing motherboard?

Yes, it replaces the original BIOS RTC cell on the same motherboard without any modifications.

How can I verify the new battery is functioning after installation?

The system clock will keep accurate time and BIOS settings will persist after the laptop is powered off.

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