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Small round lithium CMOS battery with two wire leads

DBTLAP

DBTLAP CMOS RTC Battery for Dell Latitude E7440

SKU CH-YEW2-V2CYZ

Lithium CMOS RTC battery replaces the BIOS clock cell on Dell Latitude E7440 motherboards

  • Battery TypeLithium
  • Replaces the CMOS battery in Dell Latitude E7440
  • Lithium chemistry provides reliable real-time clock power
  • Tested before shipping to ensure correct operation
  • Single battery included for direct motherboard installation
  • Fixes BIOS time loss caused by a faulty cell

Product Identification

The DBTLAP CMOS RTC battery is a lithium coin cell built for the Dell Latitude E7440 motherboard. It keeps the system clock and BIOS settings alive when the main power is removed. The unit ships new and is tested before dispatch.

Fit and Limitations

This part suits owners of the Latitude E7440 who need to replace a depleted or damaged CMOS cell. It will not fit other laptop models and it is not a main laptop battery, so users seeking extended runtime should look elsewhere.

Deciding Specification

The battery uses lithium chemistry to provide the steady low-voltage supply the real-time clock circuit requires. Confirm that the target machine is the Latitude E7440 before ordering.

Highlights

  • Replaces the CMOS battery in Dell Latitude E7440
  • Lithium chemistry provides reliable real-time clock power
  • Tested before shipping to ensure correct operation
  • Single battery included for direct motherboard installation
  • Fixes BIOS time loss caused by a faulty cell

Specifications

Battery TypeLithium

Questions about this item

What comes in the box with the DBTLAP CMOS battery for the Latitude E7440?

The package includes one CMOS battery, tested before shipping, ready to replace the original BIOS RTC cell on the motherboard.

Is this the only version of the CMOS battery offered for the E7440?

Yes, the listing supplies a single lithium CMOS RTC battery built as a direct replacement for the Dell Latitude E7440 motherboard.

What does the lithium chemistry mean once the battery is installed in the laptop?

It provides stable low-voltage power to keep the system clock and BIOS settings alive when the main battery is removed or the machine is unplugged.

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