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Small lithium CMOS battery with two wire leads

DBTLAP

DBTLAP CMOS Battery for Toshiba Satellite M305D-S4831

SKU CH-BCQF-1MZPC

Replacement CMOS RTC battery for Toshiba Satellite M305D-S4831 laptops, tested before shipping

  • Battery TypeLithium
  • Replaces the CMOS RTC battery in Toshiba Satellite M305D-S4831
  • Lithium chemistry provides stable backup power for BIOS settings
  • Tested before shipping to confirm reliable operation
  • Direct replacement for faulty, cracked or broken original unit
  • Package includes one CMOS battery ready for installation

CMOS battery for Satellite M305D-S4831

This lithium coin cell replaces the motherboard RTC battery in the Toshiba Satellite M305D-S4831. It keeps the system clock and BIOS settings alive when the main power is removed. The part is supplied new and tested before shipment. It is intended for laptop motherboards, not the main laptop battery pack.

Solder-free replacement with cable and connector

The unit arrives as a ready-to-install module with leads and a plug that match the original board header. No soldering or crimping is required during fitting. Build quality is consistent with a direct replacement part. One battery is included in the package.

Lithium chemistry for long retention

The cell uses lithium chemistry to provide stable voltage over an extended service life. This single specification determines whether the part matches the original motherboard requirement. Buyers who need a different voltage or form factor should verify their board before ordering.

Highlights

  • Replaces the CMOS RTC battery in Toshiba Satellite M305D-S4831
  • Lithium chemistry provides stable backup power for BIOS settings
  • Tested before shipping to confirm reliable operation
  • Direct replacement for faulty, cracked or broken original unit
  • Package includes one CMOS battery ready for installation

Specifications

Battery TypeLithium

Questions about this item

What type of battery chemistry does the CMOS battery for the Satellite M305D-S4831 use?

It uses a lithium cell to maintain the system clock and BIOS settings when the main power is off.

What physical connector does the CMOS battery for the Satellite M305D-S4831 require on the motherboard?

It connects via a standard two-pin header on the laptop motherboard.

Which step is commonly missed when installing the CMOS battery on the Satellite M305D-S4831?

Many forget to enter the BIOS after replacement to reset the date, time and boot order.

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