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Small round silver lithium CMOS battery with two wire leads

DBTLAP

DBTLAP CMOS Battery Compatible For Fujitsu Amilo Mini Ui 3520

SKU CH-XY7Y-4PJRB

Replacement CMOS BIOS battery for Fujitsu Amilo Mini Ui 3520 motherboards

  • Battery TypeLithium
  • Direct replacement for Fujitsu Amilo Mini Ui 3520
  • Lithium chemistry provides stable CMOS power
  • Ready-to-install BIOS RTC battery for motherboards
  • Tested before shipping to ensure reliability
  • Single-unit package simplifies laptop maintenance

Direct Replacement CMOS Battery

This lithium CMOS battery is a direct replacement for the Fujitsu Amilo Mini Ui 3520 motherboard. It restores the real-time clock and BIOS settings retention when the original cell is exhausted. The unit is new and tested before shipping. It is intended for laptop motherboards, not main laptop power packs.

Upgrade From Failed Original Cell

This part replaces a faulty, cracked or depleted factory CMOS battery that causes date resets or CMOS checksum errors. The jump is worth it when the system loses time or BIOS configuration after being powered off. It is not for buyers who need a primary laptop battery or a higher-capacity power source.

Steady Low-Current Operation

The lithium chemistry delivers the stable, low current required for sustained RTC and CMOS memory backup over long periods. It maintains voltage without the high-drain characteristics of main system batteries. Performance is consistent across the operational lifespan rather than in short bursts.

Highlights

  • Direct replacement for Fujitsu Amilo Mini Ui 3520
  • Lithium chemistry provides stable CMOS power
  • Ready-to-install BIOS RTC battery for motherboards
  • Tested before shipping to ensure reliability
  • Single-unit package simplifies laptop maintenance

Specifications

Battery TypeLithium

Questions about this item

What laptop model does this CMOS battery fit?

The battery is compatible with the Fujitsu Amilo Mini Ui 3520 motherboard.

How is the CMOS battery installed, and what step is often missed?

Unplug the old cell from the motherboard header and connect the new one, ensuring the connector clicks fully into place.

When will this lithium CMOS battery need replacement?

Expect several years of service; replace when the system clock resets or BIOS settings clear after power loss.

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