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Small round lithium CMOS battery in plastic wrap

DBTLAP

DBTLAP CMOS Battery for Sony VAIO VPCS13X9E/B

SKU CH-S4SV-7C3H2

Replacement lithium CMOS battery restores BIOS settings on compatible Sony VAIO laptops

  • Battery TypeLithium
  • Direct replacement for VAIO VPCS13X9E/B
  • Lithium chemistry keeps BIOS settings alive
  • Single battery ready to install
  • Tested before shipment for reliability
  • Restores system clock after power loss

Compatible Sony VAIO VPCS13X9E/B

This DBTLAP CMOS battery is a direct replacement for the Sony VAIO VPCS13X9E/B laptop motherboard. It restores the real-time clock and BIOS settings when the original cell fails. The lithium coin cell is intended for system-board use only, not for the main laptop power pack. Each unit is tested before it leaves the supplier.

Lithium chemistry and tested reliability

The lithium chemistry provides stable voltage for long-term CMOS memory retention. Normal operation draws only microamps, so the cell runs cool and silent inside the chassis. One battery is included in the package, ready for installation without additional accessories.

Sustained low-current duty

Under continuous load the cell maintains the system clock and firmware configuration for years. It is designed for the constant, tiny current of a motherboard RTC circuit rather than bursts of high drain. Builders needing a main power source or a higher-capacity backup should look elsewhere.

Highlights

  • Direct replacement for VAIO VPCS13X9E/B
  • Lithium chemistry keeps BIOS settings alive
  • Single battery ready to install
  • Tested before shipment for reliability
  • Restores system clock after power loss

Specifications

Battery TypeLithium

Questions about this item

How do I install the CMOS battery on the Sony VAIO VPCS13X9E/B motherboard and what step is often missed?

Open the chassis, locate the coin cell socket on the motherboard, remove the old cell and press the new lithium battery in with the correct polarity; the step often missed is reseating the connector firmly so the BIOS clock keeps time.

What maintenance or replacement will this CMOS battery need later?

The lithium coin cell typically lasts several years; when the system clock starts losing time or BIOS settings reset, replace the battery with an identical lithium type.

What limit appears first under sustained use of this CMOS battery?

The lithium chemistry self-discharge and gradual voltage drop eventually fall below the threshold needed to retain RTC data, causing clock drift and CMOS checksum errors.

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