# Notebook battery Dell TKN25 (Original) 4400mAh 11.1V

**URL:** https://aio.lv/en/product--dell-nb440955--4128726
**Data updated:** 2025-12-29 15:41 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Dell
**Manufacturer code:** NB440955
**EAN:** 9990000440955
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 69.49 €
**Prices and availability valid until:** 2026-07-28 23:59
**Price without VAT (21%):** 57.43 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dell-nb440955--4128726

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.89 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

Original Dell notebook battery TKN25 with 4400mAh capacity and 11.1V nominal voltage. Designed as a direct replacement for compatible Dell laptop models, it restores portable power for mobile use, extending runtime for productivity, multimedia and travel. Provides standard charging/discharging performance and simple installation into the laptop battery bay.

## Long description

The optimum capacity original notebook battery is made from high-quality components that protect against overheating and overload, ensuring long service life. This Dell TKN25 replacement battery is intended as a compatible power source for selected Dell laptop models and is offered with a six-month warranty.
Advantages
The battery uses Li‑Po cells with built-in protection to maintain stable performance and safety. With a nominal voltage of 14.8 V and a capacity of 49 Wh, it gives a reliable runtime for mobile work, multimedia playback and travel. The black housing matches the design of compatible Dell notebooks, and the product is supplied as an original or manufacturer‑specified replacement.
Suitable for
Dell Inspiron 13z 5323 (i13z-8864SLV) 13.3"
Dell Vostro 3360
Key specifications
Capacity: 49 Wh
Cell type: Li‑Po
Voltage: 14.8 V
Color: black
Manufacturer: Dell
Warranty: 6 months
How to use
Switch off the laptop and disconnect any power adapter before replacing the battery. Remove the existing battery following the laptop manufacturer’s instructions, insert the Dell TKN25 battery into the battery bay until it clicks into place, then reconnect the power and power on the device. Allow the battery to fully charge before first use to calibrate charge indicators.
Usage recommendations
To confirm compatibility, compare the battery model numbers and the laptop part numbers listed by the manufacturer; if uncertain, consult a product specialist. Do not expose the battery to extreme temperatures and follow standard safety precautions for Li‑Po batteries.

## FAQ

### How much does the Dell TKN25 notebook battery 4400mAh 11.1V cost, and is it available for purchase?

The price is 69.49 € (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 06.07.2026 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 Dell 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 Dell 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/4128726/10548843_large.webp