# Laptop battery Lenovo 45Wh model 5B11B36279 compatible with select Lenovo laptops

**URL:** https://aio.lv/en/product--lenovo-5b11b36279--4329982
**Data updated:** 2026-03-07 11:13 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Lenovo
**Manufacturer code:** 5B11B36279
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 89.49 €
**Prices and availability valid until:** 2026-08-22 23:59
**Price without VAT (21%):** 73.96 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lenovo-5b11b36279--4329982

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.08.2026 | free |
| Pickup points | 11.08.2026 | 1.79 EUR |
| Courier delivery to door | 11.08.2026 | 4.99 EUR |

## Summary description

Replacement laptop battery by Lenovo with 45Wh capacity, model 5B11B36279. Designed as a direct-fit power source for compatible Lenovo notebooks, it restores mobile runtime for work, study or travel. Intended for users needing an original-brand battery with specified capacity to replace worn or faulty units and ensure reliable daily use and mobility.

## Long description

Replacement laptop battery Lenovo 45Wh model 5B11B36279 is a direct-fit power module designed for select Lenovo laptops. This 45Wh battery restores mobile runtime for work, study and travel by replacing worn or faulty cells with a manufacturer-compatible unit. It is intended for users who need an original-brand capacity and form factor to maintain device portability and predictable power behaviour.
Advantages
The battery provides a specified 45Wh energy capacity in a form factor compatible with certain Lenovo notebook models, enabling straightforward installation and system recognition. As a Lenovo-compatible unit, it supports standard charging and power-management features of the original platform, offering consistent voltage and built-in protection against overcharge and short-circuit conditions. Using a direct-fit replacement reduces the risk of fitment issues and helps preserve battery reporting and calibration in the host device.
Suitable for
Replacing a worn or failing battery in supported Lenovo laptops
Restoring mobile runtime for business travel or commuting
Providing a spare battery for extended use away from power outlets
Students and professionals who require reliable daily laptop operation
Key specifications
Capacity: 45 Wh
Battery type: Rechargeable lithium-based laptop battery
Compatibility: Designed for select Lenovo notebook models (direct-fit design)
Form factor: OEM-compatible battery pack sized for corresponding Lenovo chassis
Safety features: Built-in overcharge and short-circuit protection
How to use
Power down the laptop and disconnect the AC adapter before replacing the battery. Ensure the replacement battery is compatible with your laptop model and follow the manufacturer’s service instructions or the laptop manual for safe removal and installation. After fitting the battery, connect the AC adapter and allow the system to recognize and charge the new unit; perform a full charge-discharge cycle if recommended by the device to recalibrate battery reporting.
Usage recommendations
Use the battery in environments within the laptop manufacturer’s specified temperature and humidity ranges. Avoid exposing the battery to extreme heat, moisture, or direct sunlight. For best long-term performance, store the battery at around 40–60% charge if not used for extended periods and avoid deep discharges where possible. If you notice unusual heat, swelling or charging faults, stop using the battery and consult an authorised service provider.

## FAQ

### How much does the Lenovo laptop battery 5B11B36279 45Wh cost, and is it available for purchase?

The price is 89.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 06.08.2026 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

https://aio.lv/img/cache/product/4329982/21679769_large.webp