# Internal laptop battery Lenovo 3-cell 42Wh Li‑Ion model 5B10W13946

**URL:** https://aio.lv/en/product--lenovo-5b10w13946--4314870
**Data updated:** 2026-02-12 14:07 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Lenovo
**Manufacturer code:** 5B10W13946
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 88.99 €
**Prices and availability valid until:** 2026-08-08 23:59
**Price without VAT (21%):** 73.55 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lenovo-5b10w13946--4314870

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.08.2026 | free |
| Pickup points | 11.08.2026 | 1.89 EUR |
| Courier delivery to door | 11.08.2026 | 4.99 EUR |

## Summary description

Replacement internal laptop battery from Lenovo, 3-cell Li‑Ion pack with 42Wh capacity, model 5B10W13946. Designed to power compatible Lenovo notebooks, it restores portable runtime and supports daily mobile use, office work and travel. Install as an OEM-style spare to replace a worn battery and extend device usability.

## Long description

Replacement internal laptop battery Lenovo 3-cell 42Wh Li‑Ion model 5B10W13946 is a manufacturer-compatible power pack intended to restore portable runtime for supported Lenovo notebooks. This internal battery provides 42 watt-hours of capacity in a compact 3-cell Li‑Ion configuration and is supplied as an OEM-style spare to replace worn or failing battery units. The design aligns with the form factor and connectors used in compatible Lenovo laptop models to ensure correct fit and electrical compatibility when installed.
Advantages
The battery offers a balance of capacity and compact size, delivering an energy rating of 42Wh for typical office, web and travel use without adding significant thickness or weight to the device. As a Li‑Ion pack, it provides stable voltage output and a predictable discharge profile suitable for modern laptop power management. Being an internal replacement designed for Lenovo systems, it reduces the risk of connector mismatch and simplifies installation compared with generic external packs.
Suitable for
Restoring battery life in compatible Lenovo laptops used for office tasks
Extending mobile runtime during travel and commuting
Replacing worn or deteriorated internal battery cells to improve device uptime
Use in business and educational environments where predictable battery performance is required
Key specifications
Battery type: Lithium‑Ion (Li‑Ion), 3 cells
Capacity: 42 Wh
Form factor: Internal laptop battery designed to match Lenovo internal connector and mounting
Intended use: Rechargeable power source for compatible notebook models
Typical applications: Office productivity, web browsing, light multimedia playback
How to use
Power off the laptop and disconnect any external power supply before beginning installation. Remove the laptop’s access panel or bottom cover according to the device service manual, then disconnect and remove the old battery following anti-static and safety precautions. Fit the replacement battery into the compartment, ensure the connector is fully seated and secure any retaining screws or clips. Reassemble the device, reconnect the mains adapter and allow the new battery to charge fully before normal use to calibrate the battery monitoring system.
Usage recommendations
Use the replacement battery within the ambient temperature range specified by the laptop manufacturer, avoid prolonged storage at full charge, and perform occasional full charge/discharge cycles to maintain accurate state-of-charge reporting. Dispose of the old battery according to local electronic waste regulations and do not expose lithium-ion cells to fire, puncture or liquid contact.

## FAQ

### How much does the Lenovo internal laptop battery 5B10W13946 42Wh cost, and is it available for purchase?

The price is 88.99 € (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 06.08.2026 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: 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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