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Small silver coin cell CMOS battery in clear bag

DBTLAP

DBTLAP CMOS Battery for Sony VAIO VPCS12L9E/B

SKU CH-6AKG-PME1W

Replacement lithium CMOS battery for Sony VAIO VPCS12L9E/B motherboard, tested before shipping

  • Battery TypeLithium
  • Lithium chemistry keeps system clock accurate for years
  • Direct replacement restores BIOS settings on VAIO VPCS12L9E/B
  • Pre-tested unit eliminates dead-on-arrival risk
  • Single battery package covers one motherboard repair
  • New condition guarantees full capacity from first boot

Compatible Sony VAIO Model

This CMOS battery is built specifically for the Sony VAIO VPCS12L9E/B laptop. It replaces the original BIOS RTC cell that keeps system time and firmware settings when the main power is off. The part is intended for owners of that exact model who are experiencing clock resets or BIOS errors. It is not a main laptop battery and will not power the portable device itself.

Simple Motherboard Installation

The battery arrives tested and ready to fit onto the motherboard. Installation requires opening the laptop chassis to reach the CMOS socket, so basic disassembly skills and a small screwdriver set are needed. The most common issue is forgetting to disconnect the main battery first, which can cause a short circuit. Polarity must match the original orientation or the board will not retain settings.

Verify Your Exact Part Number

Before ordering, confirm that your laptop carries the VPCS12L9E/B model identifier, usually found on a bottom sticker or in the BIOS information screen. Sony used different CMOS cells across similar-looking VAIO series, so visual comparison alone is unreliable. Check the original battery’s voltage and connector style against the replacement photo if possible. This item suits only the listed model.

Highlights

  • Lithium chemistry keeps system clock accurate for years
  • Direct replacement restores BIOS settings on VAIO VPCS12L9E/B
  • Pre-tested unit eliminates dead-on-arrival risk
  • Single battery package covers one motherboard repair
  • New condition guarantees full capacity from first boot

Specifications

Battery TypeLithium

Questions about this item

How do I verify the DBTLAP CMOS battery is working after installing it in my Sony VAIO VPCS12L9E/B?

Power on the laptop and enter the BIOS setup; the system clock should hold the correct date and time after a full shutdown, confirming the replacement battery is functioning.

What comes in the package and do I need any extra cables or tools for the Sony VAIO VPCS12L9E/B installation?

The box contains 1 CMOS battery only; no extra cables are required, though a small Phillips screwdriver is typically needed to open the laptop chassis.

Which version of this DBTLAP CMOS battery should I choose for the Sony VAIO VPCS12L9E/B?

This single listing is the direct replacement for the Sony VAIO VPCS12L9E/B; there are no alternative versions or capacities to select.

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