# Battery Lenovo 3-cell 11.4V model 5B11B36309 replacement for compatible Lenovo laptops

**URL:** https://aio.lv/en/product--lenovo-5b11b36309--5083930
**Data updated:** 2026-02-12 14:18 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Lenovo
**Manufacturer code:** 5B11B36309
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 89.99 €
**Prices and availability valid until:** 2026-07-30 23:59
**Price without VAT (21%):** 74.37 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lenovo-5b11b36309--5083930

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.89 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

Replacement laptop battery Lenovo model 5B11B36309, 3-cell, nominal voltage 11.4 V. Designed as a direct replacement for compatible Lenovo notebooks to restore mobile runtime and enable battery-powered use. Suitable for everyday office work, web browsing and travel; provides original-spec voltage and connector compatibility where matched to the laptop model.

## Long description

Replacement laptop battery Lenovo model 5B11B36309 is a 3-cell battery with a nominal voltage of 11.4 V designed to restore mobile runtime for compatible Lenovo notebooks. It serves as a direct-compatible power source when matched to a notebook that accepts the same physical connector and voltage, enabling battery-powered use for office tasks, web browsing and travel. The pack is intended to match original-spec voltage and basic form factor to deliver predictable operation when installed in a supported laptop.
Advantages
This 3-cell 11.4 V battery provides a compact, lightweight power option that replaces a depleted internal pack without requiring modifications. It offers nominal voltage matching to original equipment, straightforward installation in compatible systems, and is designed to resume portable operation to support everyday productivity. The battery is suitable for scenarios where restoring runtime quickly and reliably is the primary need.
Suitable for
 Office productivity and document editing on compatible Lenovo laptops
 Web browsing, email and lightweight multimedia while away from AC power
 Travel and mobile use where a compact replacement battery is required
 Replacing a worn or non-functioning original battery in compatible models
Key specifications
 Cell count: 3-cell lithium battery
 Nominal voltage: 11.4 V
 Form factor: internal replacement pack sized for compatible notebook bays
 Connector type: notebook-specific multi-pin connector (matches compatible Lenovo models)
 Primary use: portable power for laptops
How to use
Power down the laptop, disconnect the AC adapter and remove the old battery following the laptop manufacturer's service instructions. Align the replacement pack's connector with the laptop socket and insert it until it seats securely, ensuring any locking catches engage. Reconnect AC power if required for initial charging and allow the battery to charge to full capacity before regular mobile use. Verify battery recognition and charging status through the operating system battery indicator or built-in firmware tools.
Usage recommendations
Use this battery in Lenovo notebook models that explicitly accept the same voltage and connector style. For safety and optimal performance, avoid exposing the battery to extreme temperatures, physical shock, or liquid. Dispose of the depleted battery at an approved recycling facility and follow local regulations for battery handling. If in doubt about compatibility, consult the laptop's service manual or a qualified technician before installation.

## FAQ

### How much does the Battery Lenovo 5B11B36309 — 3-cell 11.4V cost, and is it available for purchase?

The price is 89.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 15.07.2026 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/5083930/66008411_large.webp