# Notebook battery Lenovo 45Wh 3-cell 5B11N52044 for compatible Lenovo laptops

**URL:** https://aio.lv/en/product--lenovo-5b11n52044--10772690
**Data updated:** 2026-03-07 18:02 (EET)
**Category:** Other Repair Parts
**Manufacturer:** Lenovo
**Manufacturer code:** 5B11N52044
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 91.99 €
**Prices and availability valid until:** 2026-08-17 23:59
**Price without VAT (21%):** 76.02 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lenovo-5b11n52044--10772690

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.08.2026 | free |
| Pickup points | 06.08.2026 | 1.79 EUR |
| Courier delivery to door | 06.08.2026 | 4.99 EUR |

## Summary description

Replacement notebook battery Lenovo 45Wh 3-cell (model 5B11N52044). Designed as a direct replacement for compatible Lenovo laptop models, it provides a nominal capacity of 45 watt-hours and a 3‑cell configuration for standard mobile use. Suitable for extending unplugged runtime, supporting daily office tasks, web browsing and travel; easy to install and intended for original-equivalent power performance.

## Long description

Replacement notebook battery Lenovo 45Wh 3-cell 5B11N52044 is a compatible power module designed to provide a nominal 45 watt-hours of energy for selected Lenovo laptops. The battery features a 3-cell configuration intended for standard mobile use and is offered as a direct replacement to restore or extend unplugged runtime for everyday tasks. It is designed for straightforward installation and to support typical office work, web browsing and travel use while maintaining a compact form factor that matches compatible laptop models.
Advantages
This 45Wh 3-cell battery provides a balance between runtime and weight for portable use, delivering sufficient capacity for common productivity tasks without adding significant bulk. As a compatible replacement, it offers original-equivalent power performance for systems designed to accept this battery format. The unit is designed for simple user installation and to integrate with existing battery management and charging circuitry in compatible Lenovo notebooks.
Suitable for
 Extending unplugged runtime for laptop work away from mains power
 Daily office productivity: documents, spreadsheets and email
 Web browsing, video streaming and casual media playback
 Business travel and mobile use where compact weight and moderate runtime are needed
 Replacing a degraded or failing original battery to restore original battery life
Key specifications
 Energy capacity: 45 Wh (watt-hours)
 Cell count: 3 cells
 Intended form factor: notebook internal replaceable battery for compatible Lenovo laptops
 Primary use: rechargeable lithium-based battery for portable computer operation
 Typical applications: office tasks, internet browsing, travel mobile use
How to use
Power down the laptop and disconnect any external power source before replacing the battery. Remove the access panel or release the battery latch according to the laptop manufacturer’s instructions, then remove the existing battery and install the replacement battery, ensuring it seats securely and any latches or screws are reinstalled. After installation, connect the AC adapter and charge the battery fully before first regular use to calibrate the battery management system. Use the laptop's power management settings to optimise runtime and battery health.
Usage recommendations
Store and use the battery at moderate ambient temperatures, avoid extended exposure to high heat or direct sunlight, and follow standard lithium battery safety precautions. For long-term storage, keep the battery at around 40–60% charge and check the charge level periodically. If you observe unusual heating, swelling or performance degradation, stop using the battery and consult a qualified service provider.

## FAQ

### How much does the Notebook battery Lenovo 5B11N52044 45Wh 3-cell cost, and is it available for purchase?

The price is 91.99 € (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 03.08.2026 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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