DBTLAP CMOS Battery for Sony VAIO VGN-BX297XP

Compatible CMOS Battery for Sony VAIO VGN-BX297XP

This replacement CMOS battery is built for the Sony VAIO VGN-BX297XP laptop motherboard. It supplies the low-voltage power that keeps BIOS settings and the real-time clock running when the main battery is removed. The lithium cell arrives tested and ready to install. It restores reliable start-up behaviour on machines that lose time or CMOS data.

Who this suits and who should look elsewhere

Owners of the Sony VAIO VGN-BX297XP with a dead or leaking CMOS cell will find a direct fit here. Technicians servicing that exact model can use it as a drop-in replacement. Builders working on other Sony VAIO series or any non-Sony laptop should look elsewhere because the connector and form factor are model-specific. Buyers needing a main laptop battery or a charger must select a different product type.

Lithium chemistry decides fit and function

The battery uses lithium chemistry to deliver the steady 3 V output the motherboard RTC circuit expects. A mismatched chemistry would cause voltage drift and lost BIOS settings. This cell matches the original specification so the VGN-BX297XP retains configuration data reliably. No other specification overrides this chemistry requirement.