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Small round lithium CMOS battery with two wire leads and a white connector

DBTLAP

DBTLAP CMOS Battery for Toshiba Satellite A500/A505 Series

SKU CH-176S-J4VFR

Replacement CMOS RTC BIOS battery for Toshiba Satellite A500 and A505 series laptops, tested before shipping

  • Battery TypeLithium
  • Keeps system time and BIOS settings with lithium CMOS cell
  • Direct fit for Satellite A500 and A505 series laptops
  • Replaces faulty or depleted RTC battery on motherboard
  • Pre-tested unit ensures reliable operation out of the box
  • Single replacement battery included for quick installation

Direct replacement for Satellite A500/A505

This DBTLAP CMOS battery is a direct replacement for the RTC BIOS cell on Toshiba Satellite A500 and A505 series laptops. It fits models including A500-ST5602, A500-ST5605, A500-ST5606, A500-ST5607, A500-ST5608, A500-ST6621, A500-ST6644 and A505-S6004. The lithium cell restores the real-time clock and preserves BIOS settings when the main power is removed. Each unit is tested before shipping.

Replaces a depleted or leaking original cell

The battery replaces the factory-fitted CMOS cell when it no longer holds charge, which shows as lost time, date or BIOS configuration after shutdown. It is worth fitting when the laptop fails to retain settings or reports a CMOS checksum error at boot. The part is not a main laptop battery and will not extend runtime or power the system independently.

Maintains BIOS data for the motherboard lifespan

The cell provides the low current needed to keep the RTC and CMOS memory alive for years of typical use. It comfortably handles the standby power draw of the supported Satellite motherboards. It runs out when the lithium chemistry is exhausted, at which point the symptoms of lost time and settings return and another replacement is required. Not suitable for builders needing a primary power pack or a higher-capacity coin cell.

Highlights

  • Keeps system time and BIOS settings with lithium CMOS cell
  • Direct fit for Satellite A500 and A505 series laptops
  • Replaces faulty or depleted RTC battery on motherboard
  • Pre-tested unit ensures reliable operation out of the box
  • Single replacement battery included for quick installation

Specifications

Battery TypeLithium

Questions about this item

Which Toshiba Satellite models does this CMOS battery fit?

It is compatible with A500-ST5602 A500-ST5605 A500-ST5606 A500-ST5607 A500-ST5608 A500-ST6621 A500-ST6644 and A505-S6004.

How do you install the DBTLAP CMOS battery on the motherboard?

Power off the laptop, open the case, locate the coin-cell socket on the motherboard, remove the old cell and press the new lithium battery into the same socket with correct polarity.

When will this lithium CMOS battery need replacement?

The lithium coin cell typically lasts several years; replace it when the system clock loses time or BIOS settings reset after power-off.

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