# Internal lithium-ion laptop battery Lenovo 5B10W51829 50Wh

**URL:** https://aio.lv/en/product--lenovo-5b10w51829--4781619
**Data updated:** 2026-02-12 14:13 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Lenovo
**Manufacturer code:** 5B10W51829
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 84.49 €
**Prices and availability valid until:** 2026-08-01 23:59
**Price without VAT (21%):** 69.83 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lenovo-5b10w51829--4781619

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

Internal lithium-ion battery Lenovo 5B10W51829 with 50Wh capacity designed for compatible Lenovo laptops. This internal replacement battery restores portable power for mobile work, travel or backup use. It provides reliable charging cycles and fits models that support the specified MPN. Install as a direct OEM-compatible replacement to extend runtime.

## Long description

Internal lithium-ion laptop battery Lenovo 5B10W51829 50Wh is a rechargeable replacement battery designed for compatible Lenovo laptops. With a nominal energy capacity of 50Wh, this internal battery restores portable power to devices that support the compatible battery form factor and electrical specifications. It is intended as an OEM-compatible internal replacement to extend runtime for mobile work, travel, or backup use.
Advantages
This internal lithium-ion battery offers a balanced combination of capacity and weight suitable for everyday mobile computing. The 50Wh energy rating delivers longer runtime compared with lower-capacity cells while maintaining low profile and compatibility with the original mounting points and connector type. Designed to meet typical laptop charging and discharge cycles, the battery provides consistent performance across repeated charge cycles when used and charged according to manufacturer guidelines.
Suitable for
 Replacing a depleted internal battery in compatible Lenovo laptops
 Extending runtime for remote work, study, or travel
 Maintaining device portability during meetings and presentations
 Using as a factory-compatible replacement during repairs or refurbishing
Key specifications
 Battery type: lithium-ion rechargeable cell
 Energy capacity: 50Wh (watt-hours)
 Form factor: internal laptop pack designed for compatible models
 Typical operating temperature range: room temperature charging and discharge recommended
 Connector: internal laptop connector compatible with original battery interface
How to use
Power down the laptop and disconnect the external power adapter before beginning installation. Remove the laptop service cover or battery access panel following the device's service instructions. Carefully disconnect the existing internal battery from its connector and remove any mounting screws or brackets. Install the replacement battery by aligning it with mounting points and reconnecting the internal connector securely. Reassemble the laptop, reconnect the external power adapter, and perform an initial full charge to calibrate battery status reporting.
Usage recommendations
Use only recommended charging adapters and avoid exposing the battery to extreme temperatures. For prolonged storage, charge the battery to approximately 40–60% and store in a cool, dry place. Replace the battery if you observe swelling, leakage, or a significant reduction in runtime despite full charging cycles.

## FAQ

### How much does the Lenovo internal lithium-ion battery 5B10W51829 50Wh cost, and is it available for purchase?

The price is 84.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 164 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 16.07.2026 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: 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

https://aio.lv/img/cache/product/4781619/68531387_large.webp