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 CMOS battery in plastic wrapper

DBTLAP

DBTLAP CMOS Battery for Acer TimelineX 5820TG

SKU CH-G5BR-M1B4F

Replacement CMOS battery restores BIOS settings on Acer TimelineX 5820TG laptops

  • Battery TypeLithium
  • Replaces faulty CMOS battery to restore BIOS settings
  • Lithium chemistry provides stable power for real-time clock
  • Tested before shipping to ensure reliable operation
  • Designed for Acer TimelineX 5820TG motherboard compatibility
  • Single replacement unit included for straightforward installation

DBTLAP CMOS Battery for Acer TimelineX 5820TG

This lithium coin cell replaces the motherboard CMOS battery in an Acer TimelineX 5820TG laptop. It maintains BIOS settings and the real-time clock when the main power is off. The unit is new and tested before shipping.

Suits owners fixing a dead RTC battery.

Install this part if the laptop loses date, time or BIOS configuration after shutdown. It does not supply runtime power and cannot replace the main laptop battery pack. Buyers needing a primary power source should look elsewhere.

Lithium coin cell chemistry

The battery uses a lithium chemistry designed for low-drain CMOS backup duty on the motherboard. This single specification determines compatibility with the Acer TimelineX 5820TG system.

Highlights

  • Replaces faulty CMOS battery to restore BIOS settings
  • Lithium chemistry provides stable power for real-time clock
  • Tested before shipping to ensure reliable operation
  • Designed for Acer TimelineX 5820TG motherboard compatibility
  • Single replacement unit included for straightforward installation

Specifications

Battery TypeLithium

Questions about this item

How often will the lithium CMOS battery in this Acer TimelineX 5820TG replacement need changing?

The lithium cell holds BIOS settings and the system clock; swap it once the clock drifts or settings clear after shutdown.

What is the first sign that this CMOS battery is exhausted during continuous operation?

The real-time clock loses time or BIOS configuration reverts to defaults whenever mains power is removed.

Does the battery generate noticeable heat or noise while the laptop runs all day?

No, a coin-cell CMOS battery draws micro-amps and produces neither audible noise nor measurable heat.

Also in this aisle

People compared these

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