# Battery Lenovo RTC Battery 04W4118 FRU04W4118 — replacement internal RTC/CMOS battery for Lenovo devices

**URL:** https://aio.lv/en/product--lenovo-fru04w4118--535600
**Data updated:** 2026-03-07 10:53 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Lenovo
**Manufacturer code:** FRU04W4118
**EAN:** 5712505429655
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 27.49 €
**Prices and availability valid until:** 2026-07-27 23:59
**Price without VAT (21%):** 22.72 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lenovo-fru04w4118--535600

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.89 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

Replacement internal RTC/CMOS battery Lenovo RTC Battery 04W4118 (FRU04W4118) designed for maintaining real-time clock settings and CMOS configuration in compatible Lenovo devices. Intended for use when original coin-cell backup fails or during motherboard maintenance. Facilitates reliable timekeeping, BIOS settings retention and smooth system startup after power loss.

## Long description

Replacement internal RTC/CMOS battery Lenovo RTC Battery 04W4118 (FRU04W4118) is a compact coin-cell module designed to preserve the real-time clock and CMOS settings on compatible Lenovo motherboards. It is intended for situations where the original backup battery has depleted or when performing motherboard maintenance, ensuring the system retains BIOS configuration, keeps accurate time, and boots without prompting for setup after power loss.
Advantages
This replacement RTC battery provides stable voltage for the motherboard clock and CMOS memory, helping to prevent loss of BIOS settings and system time. Its compact form factor allows straightforward installation within compatible Lenovo devices, and it is designed to deliver consistent performance comparable to the original internal backup cell. Using a proper replacement reduces the risk of incorrect system time, BIOS errors at startup, or failed hardware configuration detection.
Suitable for
 Lenovo laptops and desktops that use an internal coin-cell RTC/CMOS backup battery
 Motherboard repairs or replacements where the original battery is removed or discharged
 System maintenance tasks requiring BIOS configuration retention and accurate RTC
Key specifications
 Form factor: compact internal coin-cell module for motherboard installation
 Function: real-time clock (RTC) backup and CMOS memory power
 Compatibility: designed for use in compatible Lenovo devices requiring an internal RTC/CMOS battery
 Mounting: internal connector/cable for direct motherboard connection
 Typical use: maintains time and BIOS settings during power-off periods
How to use
Before replacing the internal RTC battery, power down the device and disconnect it from mains and any external power sources. Open the device casing following the manufacturer’s service instructions to access the motherboard. Disconnect the old coin-cell module carefully from its connector and replace it with the new RTC battery, ensuring the connector is fully seated and the polarity is correct. Reassemble the device and power it on; check BIOS settings and system time and reconfigure if necessary.
Usage recommendations
Use this replacement battery only in compatible Lenovo devices and follow anti-static precautions during installation. Do not expose the battery to high temperatures or open flames. If unsure about disassembly or compatibility, consult an authorized service center or the device’s maintenance manual.

## FAQ

### How much does the Lenovo RTC Battery 04W4118 FRU04W4118 — internal RTC battery cost, and is it available for purchase?

The price is 27.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 80 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 13.07.2026 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: Cash payment, 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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