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Small round silver lithium coin cell battery in clear plastic bag

DBTLAP

DBTLAP CMOS Battery for Acer Aspire 1830T-3721

SKU CH-GHER-AY469

CMOS lithium battery keeps the Acer Aspire 1830T-3721 system clock and BIOS settings alive

  • Battery TypeLithium
  • Compatible replacement for Acer Aspire 1830T-3721
  • Lithium chemistry keeps system clock and BIOS settings
  • Single battery included for straightforward installation
  • Pre-tested unit reduces risk of dead-on-arrival
  • Designed for motherboard CMOS socket, not main power

CMOS battery for Acer Aspire 1830T-3721

This DBTLAP lithium CMOS battery replaces the CRTC cell on the motherboard of an Acer Aspire 1830T-3721 laptop. It restores BIOS settings and system time when the original cell is exhausted. The part is intended for owners of that specific model who need a direct replacement.

Build quality and daily fit

The battery is supplied new and tested before shipping, ensuring reliable operation from installation. Its lithium chemistry matches the original specification for the motherboard RTC circuit. The package includes a single cell ready to fit the existing holder without adapters.

Deciding specification

Compatibility is limited to the Acer Aspire 1830T-3721 motherboard; it will not fit other laptop models or serve as a main power battery. Buyers who need a CMOS cell for a different chassis must source the correct part number.

Highlights

  • Compatible replacement for Acer Aspire 1830T-3721
  • Lithium chemistry keeps system clock and BIOS settings
  • Single battery included for straightforward installation
  • Pre-tested unit reduces risk of dead-on-arrival
  • Designed for motherboard CMOS socket, not main power

Specifications

Battery TypeLithium

Questions about this item

What interface does the CMOS battery use to connect to the Acer Aspire 1830T-3721 motherboard?

The lithium cell connects directly to the motherboard header via its attached cable and plug.

What physical space is required to fit this replacement CMOS battery inside the chassis?

The compact coin-cell assembly fits the standard CMOS battery compartment on the Acer Aspire 1830T-3721 mainboard.

How is this CMOS battery installed and which step is most often done incorrectly?

Unplug the old cell, plug the new connector into the same header, then secure the battery in its holder; the common mistake is leaving the connector partially seated.

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