# Internal Laptop Battery Lenovo 3-cell 42Wh Li‑Ion model 5B10W13945

**URL:** https://aio.lv/en/product--lenovo-5b10w13945--4314871
**Data updated:** 2026-02-12 14:07 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Lenovo
**Manufacturer code:** 5B10W13945
**EAN:** 5704174394051
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 88.99 €
**Prices and availability valid until:** 2026-07-30 23:59
**Price without VAT (21%):** 73.55 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lenovo-5b10w13945--4314871

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 28.07.2026 | free |
| Pickup points | 31.07.2026 | 1.89 EUR |
| Courier delivery to door | 31.07.2026 | 4.99 EUR |

## Summary description

Internal replacement laptop battery for Lenovo, 3-cell Li‑Ion pack with 42Wh capacity, model 5B10W13945. Designed to replace original internal batteries in compatible Lenovo notebooks, it restores portable power for everyday use, extending run time for browsing, office work and media playback. Intended for users needing a direct OEM-style battery swap; installation requires opening the laptop and following manufacturer instructions.

## Long description

Internal Laptop Battery Lenovo 3-cell 42Wh Li‑Ion model 5B10W13945 is an internal replacement battery designed for compatible Lenovo notebooks. It provides a 42Wh nominal capacity in a 3-cell lithium-ion configuration to restore portable power for everyday tasks such as web browsing, office productivity and media playback. The battery is intended for users who need a direct OEM-style swap and are comfortable with opening the laptop to replace an internal pack following the laptop manufacturer's service instructions.
Advantages
This internal Lenovo battery offers a nominal 42Wh capacity in a compact 3-cell layout, delivering a balance of runtime and low weight suitable for mobile use. As a direct replacement for compatible internal packs, it is made to match the original battery’s form factor and connector arrangement, simplifying installation for qualified users. The Li‑Ion chemistry provides stable voltage output and is compatible with the charging and power-management systems used in Lenovo notebooks designed for this battery type.
Suitable for (tasks / use cases)
 Extending laptop runtime for web browsing and email
 Office productivity applications (documents, spreadsheets, presentations)
 Playing back video and audio during travel or meetings
 Replacing an aged or failing internal battery to restore portable use
Key specifications
 Battery type: Lithium‑ion (Li‑Ion)
 Cell count: 3‑cell configuration
 Nominal capacity: 42 Wh
 Form factor: internal laptop battery designed to match original pack dimensions and connector
 Intended use: internal replacement for compatible Lenovo notebooks
How to use
Power down the laptop, disconnect any external power source and ground yourself to avoid electrostatic discharge. Open the laptop according to the manufacturer's service instructions, taking care to keep screws and small parts organized. Disconnect the existing battery connector from the motherboard, remove the old battery, and install the replacement pack in the same orientation. Reconnect the battery cable securely, reassemble the chassis, and perform an initial charge cycle per the laptop maker's guidance before normal use.
Usage recommendations
Use only as a replacement for compatible Lenovo notebooks and follow the laptop manufacturer's safety and service instructions. Avoid exposing the battery to high temperatures, liquids or mechanical shock. If you are not experienced with internal repairs, consider professional installation to ensure correct fit and safe operation.

## FAQ

### How much does the Lenovo Internal Laptop Battery 5B10W13945 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 28.07.2026 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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