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Small round silver coin-cell battery with two short wire leads and a white connector plug

DBTLAP

DBTLAP CMOS battery for Sony Vaio PCG-TR3A

SKU CH-DKXB-4X5TD

Replacement CMOS RTC battery for Sony Vaio PCG-TR3A motherboards, tested before shipping

  • Battery typeLithium
  • Keeps system clock and BIOS settings accurate
  • Lithium chemistry provides stable voltage for CMOS circuit
  • Direct replacement for Sony Vaio PCG-TR3A motherboard
  • Pre-tested unit reduces risk of dead-on-arrival
  • Single battery packaged for immediate installation

Compatible CMOS Battery

The DBTLAP CMOS battery is a lithium replacement for the Sony Vaio PCG-TR3A laptop. It serves as the BIOS RTC backup on the motherboard, not as the main system power source. The part arrives new and tested before shipping. It addresses a faulty, cracked or depleted original cell.

Lithium Chemistry

The single specification that decides fit is the lithium cell chemistry used for the CMOS RTC function. This battery type maintains system time and firmware settings when the laptop is unplugged. Matching the original lithium specification ensures correct voltage and longevity. No other chemistry is supported by this motherboard design.

Single Battery Included

The package contains one CMOS battery and no additional cables, adapters or software. Installation is a direct swap on the motherboard without extra accessories. The bundled quantity covers a single replacement cycle. No diagnostic tools or firmware updates are supplied.

How it compares

Measured against everything we stock in Household Batteries & Chargers, at today’s prices. Recalculated every night.

Price $11.99
Pricier than about 55% of the 10,440 comparable items (median $10.99).

Specifications

Power
Battery typeLithium

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