# Battery for Lenovo laptops 01HY789 — internal RTC replacement battery

**URL:** https://aio.lv/en/product--lenovo-01hy789--5972801
**Data updated:** 2026-03-07 15:15 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Lenovo
**Manufacturer code:** 01HY789
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 25.49 €
**Prices and availability valid until:** 2026-07-27 23:59
**Price without VAT (21%):** 21.07 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lenovo-01hy789--5972801

## 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 battery for Lenovo laptops, model 01HY789. Designed to preserve real-time clock settings and BIOS configuration when the main battery is removed or depleted. Suitable for maintenance and repair of compatible Lenovo systems, ensuring stable timekeeping and BIOS memory retention during service or long storage.

## Long description

Replacement internal RTC battery for Lenovo laptops, model 01HY789, designed to maintain the real-time clock and BIOS configuration when the primary battery is removed or fully discharged. This internal coin-cell style battery is intended specifically for compatible Lenovo laptop systems where preserving timekeeping and BIOS settings during service, storage, or main battery replacement is required. The product fits into the motherboard RTC/battery holder and acts as a dedicated power source for CMOS memory and clock functions.
Advantages
This Lenovo 01HY789 RTC replacement battery provides stable power to the motherboard clock and BIOS memory, reducing the risk of losing system time and configuration during repair or long-term storage. Its form factor and design match the internal connector and mounting requirements of supported Lenovo models, enabling straightforward replacement without altering system hardware. The battery supports consistent CMOS retention, which helps avoid repeated BIOS setup and prevents issues related to incorrect system time.
Suitable for
 Maintaining system clock and BIOS settings during main battery removal or replacement
 Motherboard maintenance and laptop repair for compatible Lenovo models
 Long-term storage of Lenovo laptops where BIOS and RTC preservation is needed
 Service operations where temporary power to CMOS is required
Key specifications
 Function: Internal RTC/CMOS backup battery for maintaining real-time clock and BIOS settings
 Compatibility: Designed for compatible Lenovo laptop motherboards that use the 01HY789 RTC battery form
 Form factor: Internal coin-cell style with appropriate connector/mount for Lenovo systems
 Use environment: Intended for laptop internal installation; not a user-replaceable external main battery
How to use
Power down the laptop, disconnect the main battery and AC adapter, and follow the manufacturer's service instructions to access the internal RTC battery location on the motherboard. Carefully remove the old RTC battery or module from its holder or connector and install the Lenovo 01HY789 replacement, ensuring proper orientation and secure connection. Reassemble the laptop and reconnect the main battery and power; verify system time and BIOS settings and, if necessary, adjust the BIOS configuration after installation.
Usage recommendations
Handle the internal RTC battery with care: discharge static and avoid bending connectors. Use proper tools and follow Lenovo service documentation or a qualified technician's guidance during replacement. Dispose of the removed battery according to local battery recycling regulations.

## FAQ

### How much does the Lenovo RTC battery 01HY789 cost, and is it available for purchase?

The price is 25.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 32 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: Bank transfer. 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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