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DBTLAP CMOS battery for Sony VAIO VGN-SR51MF laptop motherboard

DBTLAP

DBTLAP CMOS Battery for Sony VAIO VGN-SR51MF

SKU CH-PCDB-26788

Lithium CMOS battery replaces the BIOS RTC cell on Sony VAIO VGN-SR51MF motherboards

  • Battery TypeLithium
  • Keeps system clock accurate with lithium CMOS battery
  • Direct replacement for Sony VAIO VGN-SR51MF motherboard
  • Restores BIOS settings after faulty battery failure
  • Pre-tested unit ensures reliable operation on arrival
  • Single battery packaged for immediate installation

Compatible CMOS Battery for Sony VAIO VGN-SR51MF

This DBTLAP lithium CMOS battery replaces the original BIOS RTC cell on the Sony VAIO VGN-SR51MF motherboard. It restores system time, date and firmware settings when the existing cell fails. Each unit is tested before shipping and the pack contains a single replacement battery.

Suitable for owners with a dead CMOS cell

The part fits the VAIO VGN-SR51MF notebook and is intended for users who see reset BIOS settings or clock drift at boot. It is not a main laptop battery and will not power the system. Buyers who need a primary power pack or a different form factor should look elsewhere.

Steady low-current operation

Lithium chemistry delivers a stable voltage for the real-time clock and CMOS memory over long periods. The cell maintains charge during months of inactivity and supports continuous background draw without rapid depletion. Performance remains consistent across normal operating temperatures.

Highlights

  • Keeps system clock accurate with lithium CMOS battery
  • Direct replacement for Sony VAIO VGN-SR51MF motherboard
  • Restores BIOS settings after faulty battery failure
  • Pre-tested unit ensures reliable operation on arrival
  • Single battery packaged for immediate installation

Specifications

Battery TypeLithium

Questions about this item

What must the laptop already have for this DBTLAP CMOS battery to install directly?

The Sony VAIO VGN-SR51MF motherboard must provide a standard CMOS battery socket that matches the lithium cell connector.

How does this replacement lithium cell behave alongside the original motherboard circuitry kept in the VGN-SR51MF?

It supplies the same 3 V reference the RTC and CMOS RAM expect, so the legacy board retains date, time and BIOS settings without modification.

How can I confirm the new CMOS battery is working after fitting it in the VGN-SR51MF?

Power on the laptop, enter BIOS setup and verify the clock holds the correct date and time after a full shutdown and restart.

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