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header-product CMOS Battery Module for Lenovo ThinkPad S531 (FRU/CRU, Tier 2, MPN 04Y1784)
21.99 €

CMOS Battery Module for Lenovo ThinkPad S531 (FRU/CRU, Tier 2, MPN 04Y1784)

CMOS Battery Module Lenovo ThinkPad S531 04Y1784 Photo 1
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CMOS Battery Module for Lenovo ThinkPad S531 (FRU/CRU, Tier 2, MPN 04Y1784)

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CMOS Battery Module for Lenovo ThinkPad S531 (FRU/CRU, Tier 2, MPN 04Y1784)

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Short description

Replacement CMOS battery module for Lenovo ThinkPad S531 (MPN 04Y1784). Supplied as FRU/CRU Tier 2 component, it preserves BIOS settings, system clock and basic hardware configuration when main power is removed. Suitable for service and repair of ThinkPad S531 laptops to restore BIOS battery function and maintain system stability during power loss.
Available for order: 1 pcs.
Warranty: 2 Years
SKU: 3251808
free shipment

Cheapest delivery:

Venipak Locker LV

Pick-up points

Venipak Locker LV

Cost

1.89 €

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
14.07.2026 {{selectedOffer.officeDeliveryString}}
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17.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 0.40 kg)
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From 1.89 €
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Product information

Description

Replacement CMOS battery module designed for Lenovo ThinkPad S531. This module preserves BIOS settings, system clock and core hardware configuration when the main battery or AC power is removed, allowing the laptop to retain time, boot parameters and basic system information during servicing or storage. Supplied as a field-replaceable component suitable for repairs and maintenance of the ThinkPad S531 platform.

Advantages

The module provides reliable retention of BIOS configuration and system clock without depending on the main power source. It is supplied as a service-replaceable component compatible with standard repair procedures for the ThinkPad S531, supporting uninterrupted system settings during component swaps or power loss. The compact design and connection interface match the original installation requirements, enabling straightforward replacement and reducing downtime.

Suitable for

  • Servicing and repair of Lenovo ThinkPad S531 laptops
  • Replacing a depleted or failed CMOS/BIOS backup battery
  • Maintaining accurate system time and boot configuration during storage or transport
  • IT maintenance tasks and refurbishment of used laptops

Key specifications

  • Function: BIOS/CMOS memory backup and real-time clock retention
  • Form factor: compact module with connector compatible with ThinkPad S531 internal socket
  • Supply type: field-replaceable unit intended for in-service replacement
  • Compatibility: designed for use in the Lenovo ThinkPad S531 platform

How to use

Power down the laptop, disconnect AC power and remove the main battery if applicable. Access the internal compartment according to the manufacturer service manual to reach the CMOS battery module location. Carefully disconnect the existing module and install the replacement module, ensuring the connector is fully seated and secured. Reassemble the laptop, reconnect power and power on the system. Enter BIOS setup to verify time and settings; adjust if necessary.

Usage recommendations

Use appropriate static precautions when handling internal components. If uncertain about disassembly or BIOS configuration, consult the device service manual or seek assistance from a qualified technician to avoid damage to the device.

Замена модуля CMOS на ноутбуке позволяет вернуть функции резервного питания BIOS и поддержку часов системы после извлечения основного источника питания. Модуль подходит для оперативного восстановления работоспособности ThinkPad S531 и поддержания стабильной конфигурации при ремонте.

Преимущества

Модуль обеспечивает надёжное хранение настроек BIOS и времени системы независимо от основного питания. Поставка в виде компонента для обслуживания упрощает замену в сервисных условиях и минимизирует время простоя. Компактный дизайн и совместимый разъём соответствуют оригинальной установке, что облегчает установку.

Подходит для

  • Обслуживание и ремонт ноутбуков Lenovo ThinkPad S531
  • Замена разряженной или неисправной батареи CMOS/BIOS
  • Сохранение точного времени и параметров загрузки при хранении или транспортировке
  • Задачи IT-поддержки и восстановление подержанных ноутбуков

Ключевые характеристики

  • Функция: резервное питание памяти BIOS и поддержание реального времени
  • Форм-фактор: компактный модуль с разъёмом, совместимым с внутренним гнездом ThinkPad S531
  • Тип поставки: элемент, предназначенный для замены в сервисе
  • Совместимость: разработан для использования в платформе Lenovo ThinkPad S531

Как использовать

Выключите ноутбук, отключите адаптер питания и извлеките основную батарею при необходимости. Откройте корпус в соответствии с сервисным руководством производителя, чтобы получить доступ к модулю CMOS. Аккуратно отсоедините старый модуль и установите заменяющий, убедившись, что разъём полностью вставлен и фиксирован. Соберите устройство, подключите питание и включите. Проверьте настройки BIOS и время, при необходимости скорректируйте.

Рекомендации по использованию

При работе с внутренними компонентами используйте средства защиты от статического электричества. При отсутствии опыта разборки или настройки BIOS обратитесь к сервисной документации или к квалифицированному специалисту, чтобы избежать повреждений.

Rezerves CMOS barošanas modulis paredzēts Lenovo ThinkPad S531, lai saglabātu BIOS iestatījumus, sistēmas pulksteni un pamatkonfigurāciju, kad galvenais barošanas avots ir atvienots. Modulis tiek piegādāts kā servisa nomaiņas vienība un piemērots remontam un uzturēšanai.

Ieguvumi

Modulis nodrošina uzticamu BIOS konfigurācijas un sistēmas laika saglabāšanu neatkarīgi no galvenā barošanas avota. Servisa klase piegāde ļauj ātri nomainīt vienību servisā, samazinot dīkstāvi. Kompaktais izpildījums un saderīgs savienotājs atbilst oriģinālajai instalācijai un atvieglo nomaiņu.

Piemērots

  • Lenovo ThinkPad S531 klēpjdatoru apkope un remonts
  • Izlādētas vai bojātas CMOS/BIOS rezerves baterijas nomaiņa
  • Sistēmas laika un sāknēšanas iestatījumu saglabāšana uzglabāšanas vai transportēšanas laikā
  • IT uzturēšanas darbi un lietotu klēpjdatoru atjaunošana

Galvenās specifikācijas

  • Funkcija: BIOS/CMOS atmiņas rezerves barošana un reālā laika pulksteņa saglabāšana
  • Formfaktors: kompakts modulis ar savienotāju, saderīgu ar ThinkPad S531 iekšējo pieslēgvietu
  • Piegādes veids: servisa nomaiņas vienība
  • Saderība: paredzēts lietošanai Lenovo ThinkPad S531 platformā

Kā lietot

Izslēdziet klēpjdatoru, atvienojiet barošanas adapteri un, ja nepieciešams, izņemiet galveno akumulatoru. Atveriet korpusu saskaņā ar ražotāja servisa rokasgrāmatu, lai piekļūtu CMOS modulim. Rūpīgi atvienojiet esošo moduli un uzstādiet nomaiņas moduli, pārliecinoties, ka savienotājs ir pilnībā ievietots un nostiprināts. Salieciet ierīci, pievienojiet barošanu un ieslēdziet. Pārbaudiet BIOS iestatījumus un pulksteni, pēc nepieciešamības koriģējiet.

Ieteikumi lietošanai

Darbojoties ar iekšējiem komponentiem, izmantojiet pretstatiska aizsardzības līdzekļus. Ja nav pārliecības par demontāžu vai BIOS iestatīšanu, konsultējieties ar servisa rokasgrāmatu vai kvalificētu tehniķi, lai izvairītos no bojājumiem.

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FAQ

How much does the CMOS Battery Module Lenovo ThinkPad S531 04Y1784 cost, and is it available for purchase?

The price is 21.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 14.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All Lenovo products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Lenovo service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
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