# Internal laptop battery Lenovo 4-cell 52.5Wh (model 5B11M90036)

**URL:** https://aio.lv/en/product--lenovo-5b11m90036--10772820
**Data updated:** 2026-02-12 22:07 (EET)
**Category:** Other Repair Parts
**Manufacturer:** Lenovo
**Manufacturer code:** 5B11M90036
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 112.49 €
**Prices and availability valid until:** 2026-08-21 23:59
**Price without VAT (21%):** 92.97 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lenovo-5b11m90036--10772820

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 05.08.2026 | free |
| Pickup points | 10.08.2026 | 1.79 EUR |
| Courier delivery to door | 10.08.2026 | 4.99 EUR |

## Summary description

Internal replacement battery for compatible Lenovo laptops, 4-cell configuration with 52.5Wh capacity (MPN 5B11M90036). Designed to restore mobile power for everyday use, offering typical runtime improvement over depleted cells. Suitable for users needing a direct OEM-spec internal battery for commuting, office work, and travel. Install requires opening the laptop chassis and following manufacturer instructions.

## Long description

Internal laptop battery Lenovo 4-cell 52.5Wh (model 5B11M90036) is a direct-replacement internal battery designed for compatible Lenovo notebook models. It provides 52.5Wh of energy capacity in a 4-cell configuration to restore device runtime when the original battery has degraded. The battery is intended for installation inside the laptop chassis and matches OEM form factor and connector specifications for compatible systems.
Advantages
This internal Lenovo 4-cell battery offers an OEM-style fit and voltage profile useful for restoring original runtime characteristics. With a 52.5Wh capacity, it typically extends unplugged use compared with depleted cells, maintaining stable power delivery for everyday tasks. The internal form factor keeps the laptop profile unchanged and avoids external battery packs, while compatibility with Lenovo mounting points and connectors simplifies replacement when performed according to manufacturer guidance.
Suitable for
Replacing a worn or failing internal battery in compatible Lenovo laptops
Users who need reliable mid-range battery capacity for office productivity and web browsing
Commuters and travelers who require restored on-battery runtime without changing the laptop exterior
Key specifications
Cell configuration: 4 cells
Energy capacity: 52.5 Wh
Form factor: internal, OEM-style replacement
Typical use case: everyday office tasks, web browsing, light multimedia
Installation: requires opening laptop chassis and connecting internal battery cable
How to use
Power down the laptop, disconnect external power, and follow the laptop manufacturer’s service instructions for safe access to the internal battery compartment. Remove the existing battery following static-safety and screw-tracking procedures, disconnect the battery cable, and replace it with the Lenovo 4-cell 52.5Wh unit ensuring proper seating and connector alignment. Reassemble the chassis and perform a full charge cycle to calibrate battery level reporting as recommended by the laptop maker.
Usage recommendations
Use only when compatible with your laptop model and according to the manufacturer’s service manual. Observe electrostatic discharge precautions, use appropriate tools, and avoid forcing connectors. After installation, monitor battery performance for a few charge cycles and update system firmware or power-management drivers if necessary.

## FAQ

### How much does the Lenovo internal battery 4-cell 52.5Wh 5B11M90036 cost, and is it available for purchase?

The price is 112.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 21 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 05.08.2026 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: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay. 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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