# Internal lithium-ion battery Lenovo 51.5Wh model 5B10W51881 for compatible notebooks

**URL:** https://aio.lv/en/product--lenovo-5b10w51881--10743505
**Data updated:** 2026-02-23 13:20 (EET)
**Category:** Other goods
**Manufacturer:** Lenovo
**Manufacturer code:** 5B10W51881
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 93.49 €
**Prices and availability valid until:** 2026-08-12 23:59
**Price without VAT (21%):** 77.26 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lenovo-5b10w51881--10743505

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 27.07.2026 | free |
| Pickup points | 30.07.2026 | 1.89 EUR |
| Courier delivery to door | 30.07.2026 | 4.99 EUR |

## Summary description

Internal lithium-ion battery Lenovo 51.5Wh (model 5B10W51881) designed as a replacement power pack for compatible Lenovo notebooks. Provides 51.5 watt-hours capacity for extended runtime, fits internal battery bay and connects via original manufacturer connector. Suitable for users needing a direct replacement to restore mobile use and extend unplugged productivity.

## Long description

Internal lithium-ion battery Lenovo 51.5Wh model 5B10W51881 is a replacement internal power pack designed for compatible Lenovo notebooks. It provides 51.5 watt-hours of capacity to restore or extend runtime for mobile use, installs into the internal battery bay and connects using the original manufacturer connector to ensure compatibility with supported laptop models.
Advantages
This internal battery offers a nominal 51.5Wh capacity that helps extend unplugged productivity compared with lower-capacity cells. As a direct replacement designed for Lenovo notebook internal bays, it preserves original fit and connector alignment, simplifying installation and reducing the need for third-party adapters. The lithium-ion chemistry provides a balance of energy density and cycle life suitable for everyday laptop use.
Suitable for
Replacing an aged or failing internal battery in compatible Lenovo notebooks
Restoring original runtime after significant battery capacity loss
Users who require prolonged mobile operation without carrying an external power bank
Service technicians performing battery swaps during maintenance or refurbishment
Key specifications
Battery type: lithium-ion rechargeable cell
Capacity: 51.5 watt-hours (Wh)
Form factor: internal pack designed for laptop battery bay installation
Connector: manufacturer-compatible internal connector for direct replacement
Intended use: notebook power source for portable operation
How to use
Power off the notebook and disconnect any external power supply before beginning. Remove the service access panel or unscrew the back cover according to the notebook manufacturer's instructions, then carefully disconnect the existing battery from the internal connector. Install the replacement battery into the battery bay, ensuring the connector aligns and seats securely; reattach the access panel or cover and tighten screws to the original torque specification. After reassembly, connect the AC adapter and allow the system to recognize the new battery. Calibrate the battery charge level if recommended by the notebook manufacturer.
Usage recommendations
Use this replacement battery only in compatible Lenovo notebook models and follow the notebook manufacturer's safety guidelines. Avoid exposure to extreme temperatures, moisture, or physical damage. Charge and discharge within normal operating conditions and dispose of the spent battery according to local electronic waste regulations.

## FAQ

### How much does the Internal battery Lenovo 51.5Wh 5B10W51881 cost, and is it available for purchase?

The price is 93.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 27.07.2026 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

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