# Replacement RTC Battery Module Lenovo FRU04Y1785 (Guinness1RTC)

**URL:** https://aio.lv/en/product--lenovo-fru04y1785--3447763
**Data updated:** 2026-03-07 11:06 (EET)
**Category:** Batteries
**Manufacturer:** Lenovo
**Manufacturer code:** FRU04Y1785
**EAN:** 5706998703583
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 21.99 €
**Prices and availability valid until:** 2026-07-27 23:59
**Price without VAT (21%):** 18.17 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lenovo-fru04y1785--3447763

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 20.07.2026 | free |
| Pickup points | 23.07.2026 | 1.89 EUR |
| Courier delivery to door | 23.07.2026 | 4.99 EUR |

## Summary description

Lenovo FRU04Y1785 (Guinness1RTC) is a replacement real-time clock (RTC) battery module designed for compatible Lenovo systems. It preserves system clock and BIOS settings when main power is removed. Intended for service, repair and maintenance of laptops or desktops that use this specific FRU part, it helps restore correct timekeeping and retained configuration data after power loss.

## Long description

Lenovo FRU04Y1785 (Guinness1RTC) is a replacement real-time clock (RTC) battery module designed for compatible Lenovo systems. It maintains the system clock and critical BIOS/UEFI settings when the main power source is disconnected, allowing the device to retain correct time and configuration after power loss. This module is intended for service, repair, and maintenance of laptops and desktops that accept this form factor and connector type.
Advantages
This RTC battery module provides reliable timekeeping and low-power standby operation to preserve BIOS settings and hardware configuration data. It is sized and designed for straightforward installation in systems that require a dedicated RTC power source, reducing risks of CMOS reset and associated boot or configuration issues. The unit is a direct-replacement style component that helps restore proper system behavior without altering other hardware.
Suitable for
 Repairing laptops or desktops that have lost BIOS settings after power removal
 Replacing a depleted RTC battery during scheduled maintenance
 Service environments where restoring correct system time and configuration is required
 Technicians performing component-level refurbishment or board-level repairs
Key specifications
 Function: real-time clock backup power module for preserving system clock and BIOS settings
 Form factor: compact RTC battery module designed for internal mounting on compatible logic boards
 Power source type: dedicated low-current backup cell(s) suitable for long-term standby retention
 Operating role: maintains CMOS/BIOS settings and real-time clock while main power is removed
How to use
Power off the system and disconnect it from any external power sources before replacing the RTC battery module. Access the motherboard area where the original RTC module is located following the device manufacturer's disassembly instructions. Remove the depleted module carefully and install the replacement in the same orientation and connector position. Reassemble the system, reconnect power, and verify BIOS/UEFI retains date, time, and configuration settings. If needed, enter BIOS to adjust date and time after installation.
Usage recommendations
Handle the module with anti-static precautions and avoid shorting contacts. Use this replacement only in systems specified to accept this type of RTC module; check the device service documentation for compatibility and installation instructions. Dispose of the depleted battery module according to local regulations for battery recycling.

## FAQ

### How much does the RTC Battery Module Lenovo FRU04Y1785 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 — 57 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 20.07.2026 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. More information about warranty service: https://aio.lv/en/warranty

## Image

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