# Lenovo RTCBattery FRU02HK905 — Replacement RTC Backup Battery for Lenovo Devices

**URL:** https://aio.lv/en/product--lenovo-fru02hk905--6224057
**Data updated:** 2026-03-27 13:52 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Lenovo
**Manufacturer code:** FRU02HK905
**EAN:** 5706998838568
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 26.49 €
**Prices and availability valid until:** 2026-08-15 23:59
**Price without VAT (21%):** 21.89 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lenovo-fru02hk905--6224057

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 30.07.2026 | free |
| Pickup points | 04.08.2026 | 1.89 EUR |
| Courier delivery to door | 04.08.2026 | 4.99 EUR |

## Summary description

Lenovo RTCBattery FRU02HK905 is a replacement real-time clock (RTC) backup battery designed for Lenovo devices. It preserves system time and BIOS/UEFI settings when the main power is removed. Suitable for service, maintenance and repairs on compatible Lenovo models that require this FRU part. Use cases include motherboard maintenance, BIOS retention and timekeeping continuity during power loss.

## Long description

Lenovo RTCBattery FRU02HK905 is a replacement real-time clock (RTC) backup battery designed for use in compatible Lenovo devices. It maintains system time and BIOS/UEFI settings when the main power source is removed, ensuring that clock settings and firmware configuration are preserved during maintenance, transport, or power interruptions. The battery is intended as a service and repair part for technicians and users who need to restore timekeeping and BIOS retention on supported motherboards.
Advantages
This replacement RTC battery provides reliable retention of date, time and BIOS/UEFI configuration without affecting main power components. It is compact and designed to integrate with the original Lenovo hardware layout, which simplifies replacement and reduces the risk of incorrect installation. Using the correct backup battery helps prevent loss of system settings, boot errors related to incorrect time, and repeated manual reconfiguration after power loss.
Suitable for
Motherboard maintenance and repair in supported Lenovo models
Restoring BIOS/UEFI settings after battery removal or replacement
Preserving system clock and configuration during transport or long power outages
Service workshops performing component-level diagnostics and replacements
Key specifications
Function: real-time clock (RTC) backup to preserve system time and firmware settings
Compatibility: designed for installation in compatible Lenovo devices that use this form of RTC backup battery
Form factor: compact replacement module intended to match the original device layout
Operation: passive backup power source to maintain non-volatile settings when main power is removed
How to use
Power down the device and disconnect it from the mains before proceeding. Access the motherboard according to the device’s service manual and locate the RTC backup battery compartment. Replace the old battery with the new unit, making sure it is oriented and seated correctly in the connector or holder. Reassemble the device, reconnect power and verify system time and BIOS/UEFI settings in the firmware interface. If necessary, reconfigure time and firmware options after installation.
Usage recommendations
Use original or compatible replacement parts and follow the manufacturer’s service guidelines. Handle internal components with care to avoid static discharge, and consult the device service manual for model-specific disassembly and reassembly instructions. If unfamiliar with internal repairs, seek assistance from qualified service personnel.

## FAQ

### How much does the Lenovo RTCBattery FRU02HK905 RTC backup battery cost, and is it available for purchase?

The price is 26.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 8 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 30.07.2026 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