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DBTLAP CMOS battery for Sony Vaio VGN-P11Z/R

DBTLAP

DBTLAP CMOS Battery for Sony Vaio VGN-P11Z/R

SKU CH-RKES-PSPR7

Replacement CMOS battery for Sony Vaio VGN-P11Z/R restores BIOS settings and clock

  • Battery TypeLithium
  • Reliable BIOS timekeeping with lithium CMOS cell
  • Direct replacement for Sony Vaio VGN-P11Z/R motherboard
  • Pre-tested unit ensures immediate function
  • Single battery package simplifies installation
  • Restores CMOS settings after battery failure

CMOS RTC Battery for Sony Vaio VGN-P11Z/R

This lithium CMOS battery replaces the original BIOS RTC cell on Sony Vaio VGN-P11Z/R laptop motherboards. It is a dedicated motherboard component, not a main laptop power battery. The unit is tested before shipping to verify correct voltage and function. Buyers needing a main system battery or a different form factor will not be served by this part.

Thermals noise and power draw in normal use

As a passive coin-type cell, the battery generates no heat and produces zero audible noise during operation. It draws negligible current solely to maintain the real-time clock and CMOS settings when the laptop is unplugged or powered off. No active cooling or power management is required for this component.

Behaviour under sustained load

The battery is designed for continuous, ultra-low current discharge over multiple years rather than short high-current bursts. Its lithium chemistry provides stable voltage retention throughout the rated service life. Performance remains consistent as long as the motherboard leakage current stays within normal design limits.

Highlights

  • Reliable BIOS timekeeping with lithium CMOS cell
  • Direct replacement for Sony Vaio VGN-P11Z/R motherboard
  • Pre-tested unit ensures immediate function
  • Single battery package simplifies installation
  • Restores CMOS settings after battery failure

Specifications

Battery TypeLithium

Questions about this item

How is the CMOS battery installed on the Sony Vaio VGN-P11Z/R, and what step is often missed?

The battery plugs into the motherboard header; the step often missed is reseating the connector firmly so the BIOS retains time and date settings.

What maintenance or replacement will this lithium CMOS battery need later?

The lithium CMOS battery typically lasts several years; replacement is needed when the system clock drifts or BIOS settings reset at boot.

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

The voltage gradually drops over years of continuous operation; once it falls below the threshold the motherboard can no longer keep RTC data.

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