# CMOS battery Lenovo 5B10S34059 for laptops — model L 81LH DB

**URL:** https://aio.lv/en/product--lenovo-5b10s34059--4339408
**Data updated:** 2026-02-12 14:07 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Lenovo
**Manufacturer code:** 5B10S34059
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 77.99 €
**Prices and availability valid until:** 2026-07-30 23:59
**Price without VAT (21%):** 64.45 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lenovo-5b10s34059--4339408

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 28.07.2026 | free |
| Pickup points | 31.07.2026 | 1.89 EUR |
| Courier delivery to door | 31.07.2026 | 4.99 EUR |

## Summary description

Replacement CMOS battery Lenovo model L 81LH DB (manufacturer code 5B10S34059) designed for Lenovo laptops. Maintains BIOS settings and system clock when main power is disconnected. Suitable for restoring date/time retention and BIOS configuration stability. Compact coin-cell style module intended as an OEM-compatible spare part for service and repair.

## Long description

Replacement CMOS battery Lenovo model L 81LH DB is a compact coin‑cell style module designed to maintain BIOS settings and system clock when the main power is disconnected. This spare part restores date and time retention and helps preserve BIOS configuration stability in compatible Lenovo laptop models. It is intended as an OEM‑compatible replacement for service, repair, and system maintenance tasks where the internal CMOS battery has depleted.
Advantages
The CMOS battery provides reliable backup power for CMOS memory and the real‑time clock, helping prevent loss of BIOS settings and incorrect system time after power removal. Its compact form factor allows unobtrusive installation inside laptop chassis, and the design is compatible with the mounting and connector types used in relevant Lenovo notebooks. Using a compatible replacement reduces the need for repeated BIOS configuration after power interruptions.
Suitable for
Repairing laptops with lost BIOS settings or incorrect system time
Replacing a depleted internal CMOS battery during maintenance
Service workshops handling Lenovo notebook motherboards
IT departments performing onsite laptop repairs
Key specifications
Form factor: coin‑cell style module with leads and connector for internal mounting
Function: provides backup power for CMOS memory and real‑time clock
Compatibility: intended for use in specified Lenovo laptop models requiring this battery form
Mounting: internal installation designed for notebook chassis and motherboard connector
Operating temperature: suitable for typical laptop operating environments
How to use
Power down the laptop, disconnect the main battery and AC adapter, and follow the manufacturer’s service instructions or a repair manual to access the motherboard. Locate the existing CMOS battery module, carefully disconnect its connector or remove it from its holder, and install the replacement unit ensuring the connector seating and cable routing match the original. Reassemble the laptop, reconnect power, and verify BIOS settings and system time; if necessary, enter BIOS setup to restore or adjust configuration values.
Usage recommendations
Handle the module with care to avoid static discharge and mechanical damage. Use only compatible replacement parts and follow safety procedures when opening the laptop. After installation, confirm system time and BIOS settings and, if available, update the CMOS checksum or battery status in BIOS to ensure proper operation.

## FAQ

### How much does the CMOS battery Lenovo L 81LH DB 5B10S34059 cost, and is it available for purchase?

The price is 77.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 20 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 28.07.2026 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

https://aio.lv/img/cache/product/4339408/51856228_large.webp