# Notebook battery extra digital 40Y6999 4400mAh replacement for Lenovo laptops

**URL:** https://aio.lv/en/product--extra-digital-nb480159--4128756
**Data updated:** 2026-02-12 14:05 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** extra digital
**Manufacturer code:** NB480159
**EAN:** 9990000480159
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 21.99 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 18.17 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--extra-digital-nb480159--4128756

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.89 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

Rechargeable notebook battery by extra digital, compatible with Lenovo model 40Y6999. Capacity 4400mAh for extended runtime. Designed as a replacement battery for compatible Lenovo laptops to restore portability and working time. Suitable for mobile professionals and students who need reliable battery life for daily use and travel.

## Long description

Notebook battery extra digital 40Y6999 4400mAh replacement for Lenovo laptops is a rechargeable lithium-ion battery designed as a direct replacement for compatible Lenovo notebook models. With a 4400mAh rated capacity, this extra digital battery restores portable runtime and enables continued use of the laptop away from mains power. The design matches form, voltage and connector placement of the supported Lenovo models to ensure proper fit and reliable electrical connection.
Advantages
The battery provides a balance of capacity and compact size to extend working time without adding significant weight. It is manufactured to meet common safety and performance expectations for replacement notebook cells, offering stable discharge characteristics and protection against overcharge and short-circuit conditions when used with compatible devices. The replacement pack is intended to be a straightforward swap for the original unit to return a laptop to portable operation.
Suitable for
 Replacing a worn or failed battery in compatible Lenovo notebooks
 Extending runtime for students using laptops for study and research
 Mobile professionals who need reliable battery life for travel and meetings
 Users seeking a cost-effective battery replacement to restore portability
Key specifications
 Battery type: rechargeable lithium-ion
 Rated capacity: 4400mAh
 Intended device type: notebook / laptop
 Compatibility: designed for specific Lenovo notebook models requiring the 40Y6999 form factor
 Physical design: replacement pack matching original connector and mounting points
How to use
Before installation, power off the laptop and disconnect the external power adapter. Remove the original battery following the laptop manufacturer's instructions, taking care to avoid contact with metal objects and to discharge static electricity from your hands. Fit the extra digital replacement battery into the compartment, ensuring the connector aligns correctly, then secure any latches or screws as required. Reconnect the mains adapter and allow the battery to charge fully before first heavy use to calibrate charge reporting.
Usage recommendations
If the battery is stored before use, keep it in a cool, dry place with partial charge (around 40–60%). Avoid exposing the battery to high temperatures or moisture. Use the laptop's power management settings to optimize lifespan: avoid deep discharges when possible, and store the device with moderate charge if it will not be used for extended periods.

## FAQ

### How much does the Notebook battery extra digital 40Y6999 4400mAh cost, and is it available for purchase?

The price is 21.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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 02.07.2026 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, 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 extra digital 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 extra digital 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/4128756/10548873_large.webp