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Small round silver lithium CMOS battery with two wire leads

DBTLAP

DBTLAP CMOS battery for Acer Aspire 1830TZ-4393

SKU CH-RF1H-9W1ZF

Lithium CMOS battery keeps the system clock and BIOS settings alive on Acer Aspire 1830TZ-4393 laptops

  • Battery TypeLithium
  • Replaces the CMOS battery in Acer Aspire 1830TZ-4393
  • Lithium cell keeps BIOS clock and settings alive
  • Supplied as a single tested replacement unit
  • New part restores motherboard RTC function
  • Direct fit for the listed Acer model

Compatible with Acer Aspire 1830TZ-4393

This DBTLAP CMOS battery is a lithium coin cell designed for the Acer Aspire 1830TZ-4393 laptop motherboard. It supplies power to the real-time clock and BIOS memory when the main battery is removed or depleted. The part is new and tested before shipping. One battery is included in the package.

Replaces a dead or failing CMOS cell

Swap this battery when the system clock resets, BIOS settings disappear or the laptop shows CMOS checksum errors at boot. It restores persistent firmware configuration without requiring a full motherboard replacement. The upgrade is worth it whenever the original cell no longer holds a charge.

Suits owners of the listed Acer model

This component fits only the Acer Aspire 1830TZ-4393 motherboard. It is not a main laptop battery and will not power the system for portable use. Buyers needing a primary rechargeable pack or a CMOS cell for a different laptop model should look elsewhere.

Highlights

  • Replaces the CMOS battery in Acer Aspire 1830TZ-4393
  • Lithium cell keeps BIOS clock and settings alive
  • Supplied as a single tested replacement unit
  • New part restores motherboard RTC function
  • Direct fit for the listed Acer model

Specifications

Battery TypeLithium

Questions about this item

What motherboard connector does the CMOS battery for the Acer Aspire 1830TZ-4393 use?

The DBTLAP CMOS battery connects to the standard motherboard header via its attached wire lead and plug.

Which step is often missed when installing the CMOS battery in the Acer Aspire 1830TZ-4393?

After fitting the battery, enter the BIOS to reset the date, time and boot order so the system starts correctly.

When should the CMOS battery in the Acer Aspire 1830TZ-4393 be replaced?

Replace the lithium cell when the laptop loses BIOS settings, shows a checksum error or the clock resets after shutdown.

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