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Small round lithium CMOS battery for Dell Inspiron 15 3558

DBTLAP

DBTLAP CMOS Battery for Dell Inspiron 15 3558

SKU CH-Z66A-8M13B

Replacement CMOS RTC battery for Dell Inspiron 15 3558 laptops, tested before shipping

  • Battery TypeLithium
  • Replaces the motherboard CMOS battery on Dell Inspiron 15 3558
  • Lithium cell keeps system clock and BIOS settings accurate
  • Tested before shipping to confirm reliable operation
  • Direct replacement for faulty or cracked original battery
  • Package includes one ready-to-install CMOS battery

CMOS RTC Battery for Inspiron 15 3558

This lithium coin cell replaces the CMOS BIOS battery on a Dell Inspiron 15 3558 motherboard. It restores the real-time clock and preserves BIOS settings when the main power is removed. The part is intended for owners of that specific model who are experiencing date or configuration loss. Builders working on other laptop families should select a different replacement.

Thermals Noise and Power Draw

As a passive coin cell the battery generates no heat and produces no audible noise during operation. It draws only the tiny current required to keep the RTC running when the laptop is off or unplugged. Normal use therefore has no impact on system thermals or fan behaviour. No external power supply or charging circuit is involved beyond the motherboard itself.

Build Fit and Clearances

The cell fits directly into the existing CMOS socket on the Inspiron 15 3558 mainboard with no adapters or cables required. Installation frees the system from repeated BIOS resets and incorrect timestamps. One battery is included in the package. No additional tools or components are mentioned in the supplied data.

Highlights

  • Replaces the motherboard CMOS battery on Dell Inspiron 15 3558
  • Lithium cell keeps system clock and BIOS settings accurate
  • Tested before shipping to confirm reliable operation
  • Direct replacement for faulty or cracked original battery
  • Package includes one ready-to-install CMOS battery

Specifications

Battery TypeLithium

Questions about this item

How do I install this CMOS battery in my Dell Inspiron 15 3558 and what step is commonly missed?

Remove the bottom case, disconnect the main battery first, then unplug the old CMOS battery from the motherboard header and connect the new one. People often forget to disconnect the main battery before starting.

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

The lithium CMOS battery typically lasts several years. Replace it when the system clock loses time or BIOS settings reset after power loss. No routine maintenance is required.

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

The lithium cell gradually loses capacity over time. The first sign is the system clock drifting or BIOS settings clearing when the laptop is unplugged for extended periods.

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