We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Small coin cell battery with wires and connector for Dell XPS 13-L321X

DBTLAP

DBTLAP CMOS RTC Battery for Dell XPS 13-L321X

SKU CH-P1VE-RS5KS

Replaces the CMOS BIOS RTC battery on Dell XPS 13-L321X motherboards with a tested lithium cell

  • Battery TypeLithium
  • Keeps system clock accurate with lithium CMOS cell
  • Direct replacement for Dell XPS 13-L321X motherboard
  • Pre-tested unit reduces risk of dead-on-arrival
  • Single battery included for straightforward swap
  • Restores BIOS settings retention after old cell fails

Compatible Dell XPS 13-L321X CMOS Battery

This replacement CMOS RTC battery is designed for Dell XPS 13-L321X laptop motherboards. It restores BIOS settings and real-time clock function when the original cell fails. The lithium coin cell arrives new and tested before shipping. It is not a main laptop power battery.

Low Power Thermal Profile

The lithium CMOS cell generates no measurable heat during normal operation. It draws only microamps to maintain the real-time clock and BIOS memory. Silent solid-state operation adds zero acoustic noise to the system. Power consumption is negligible compared to main components.

Sustained Load Behaviour

Under continuous load the battery maintains stable voltage for CMOS retention over years. There is no performance degradation during extended uptime or sleep cycles. The cell chemistry supports long-term trickle discharge without capacity loss. It simply keeps time and settings alive indefinitely.

Highlights

  • Keeps system clock accurate with lithium CMOS cell
  • Direct replacement for Dell XPS 13-L321X motherboard
  • Pre-tested unit reduces risk of dead-on-arrival
  • Single battery included for straightforward swap
  • Restores BIOS settings retention after old cell fails

Specifications

Battery TypeLithium

Questions about this item

How is the CMOS RTC battery installed on the Dell XPS 13-L321X, and what step do people often get wrong?

The battery connects to the motherboard header inside the chassis; the step often missed is disconnecting the main battery first to avoid a short circuit.

What maintenance or replacement will the CMOS RTC battery need later?

The lithium cell typically lasts several years; when the system clock starts losing time or BIOS settings reset, replace it with an identical coin cell.

What limit shows up first under sustained use of the CMOS RTC battery?

The cell voltage gradually drops below the threshold needed to keep the real-time clock running, causing time drift and CMOS checksum errors.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.