# Internal lithium-ion laptop battery Lenovo 86Wh 5B10W51873 for compatible Lenovo notebooks

**URL:** https://aio.lv/en/product--lenovo-5b10w51873--10478197
**Data updated:** 2026-02-12 21:57 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Lenovo
**Manufacturer code:** 5B10W51873
**EAN:** 5715063062333
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 128.99 €
**Prices and availability valid until:** 2026-08-03 23:59
**Price without VAT (21%):** 106.60 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lenovo-5b10w51873--10478197

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 20.07.2026 | free |
| Pickup points | 23.07.2026 | 1.89 EUR |
| Courier delivery to door | 23.07.2026 | 4.99 EUR |

## Summary description

Internal lithium-ion battery by Lenovo, rated 86Wh, model 5B10W51873. Designed as a replacement battery for compatible Lenovo notebooks, it provides power for extended mobile use and restores original runtime. Intended for internal installation; ensures standard laptop functions such as booting, battery-powered operation and sleep/resume. Use to replace worn or faulty batteries to regain device portability and stable performance.

## Long description

Internal lithium-ion laptop battery Lenovo 86Wh 5B10W51873 is a replacement power module designed for compatible Lenovo notebooks. It restores the notebook's battery runtime and supports normal laptop functions including boot, battery-powered operation and suspend/resume. The battery is intended for internal installation into the chassis and matches the original capacity and voltage range specified for compatible models.
Advantages
This internal lithium-ion battery provides an 86Wh capacity that helps extend mobile operation compared with degraded cells. As an OEM-designed module for Lenovo notebooks, it is engineered to fit internal compartments and to work with the system's power management. Replacing a worn or failing battery with this unit can recover original runtime, improve stability under battery power and reduce unexpected shutdowns.
Suitable for
Replacing a worn or failing internal battery in compatible Lenovo notebooks
Restoring laptop battery runtime for mobile use
Repair and maintenance tasks where original form-factor and capacity are required
Users who need stable power for remote or travel work without immediate access to AC power
Key specifications
Battery type: Internal lithium-ion rechargeable cell pack
Rated energy: 86 Wh
Design: Multi-cell pack configured for internal laptop installation
Compatibility: Designed for specified Lenovo notebook models that accept this form-factor and electrical characteristics
Typical functions supported: Battery charging, discharge management, system battery reporting and supported suspend/resume
How to use
Power down the notebook and disconnect any external power and peripherals before beginning replacement. Access the internal battery compartment following the device manufacturer’s disassembly instructions to avoid damage to the chassis or internal connectors. Install the battery in the correct orientation and secure any retaining clips or screws. Reconnect internal connectors firmly, reassemble the device, then charge the battery fully before typical use. After installation, verify battery status in the operating system and confirm that charging and power-reporting operate normally.
Usage recommendations
Use this battery only in compatible Lenovo notebook models and follow safety guidelines: avoid puncturing, shorting or exposing the battery to extreme heat or moisture. Dispose of the old battery according to local regulations for electronic waste and battery recycling. For optimal long-term performance, calibrate the battery charge reporting by performing one full charge and discharge cycle periodically and avoid storing the battery for long periods at full charge or at very low state of charge.

## FAQ

### How much does the Lenovo internal lithium-ion battery 86Wh 5B10W51873 cost, and is it available for purchase?

The price is 128.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 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 20.07.2026 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