# Notebook battery Dell NB440702 for 14z 5423, 14.8V 2200mAh, original

**URL:** https://aio.lv/en/product--dell-nb440702--4113357
**Data updated:** 2025-12-29 15:39 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Dell
**Manufacturer code:** NB440702
**EAN:** 9990000440702
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 64.99 €
**Prices and availability valid until:** 2026-08-02 23:59
**Price without VAT (21%):** 53.71 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dell-nb440702--4113357

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.07.2026 | free |
| Pickup points | 15.07.2026 | 1.89 EUR |
| Courier delivery to door | 15.07.2026 | 4.99 EUR |

## Summary description

Original Dell notebook battery NB440702 designed for Dell 14z 5423. Rated at 14.8V and 2200mAh, it supplies power to the laptop for mobile use, replacing worn or faulty batteries. Intended for reliable everyday use, it restores battery runtime, supports charging circuits of the model, and helps maintain system stability during unplugged operation.

## Long description

The original Dell notebook battery NB440702 is designed for Dell Inspiron 14z-5423 and Inspiron 15z-5523 Ultrabook models. It uses high-quality components and protection circuitry to reduce risk of overheating or overload and to ensure long service life. Rated at 14.8 V and 2200 mAh (44 Wh), the battery restores mobile runtime and is compatible with the charging system of the listed models.
Advantages
The battery provides original-spec voltage and capacity for proper system operation and stable runtime. Built-in cell and protection components reduce the risk of overheating and overload. As an original Dell part (MPN NB440702), it is intended to match the laptop’s charging and power-management electronics, helping to maintain reliable performance during battery-powered use.
Suitable for
Dell Inspiron 14z-5423 Ultrabook
Dell Inspiron 15z-5523 Ultrabook
Replacement of worn or malfunctioning original batteries
Key specifications
Manufacturer: Dell
Model / MPN: NB440702
Voltage: 14.8 V
Capacity: 2200 mAh (44 Wh)
Cells type: Li-ion
Color: Black
Warranty: 6 months
EAN: 9990000440702
How to use
Switch off the laptop and disconnect it from mains power before replacing the battery. Remove the back cover following the laptop manufacturer’s instructions, replace the old battery with the NB440702 unit making sure the connector and alignment match, then reassemble the device. Charge the new battery fully before first use to allow the battery-management system to calibrate.
Usage recommendations
Store and operate the battery within manufacturer-recommended temperature ranges, avoid exposure to extreme heat or humidity, and use only compatible chargers and power adapters. Dispose of the old battery according to local regulations for lithium-ion batteries.

## FAQ

### How much does the Dell NB440702 notebook battery 14.8V 2200mAh cost, and is it available for purchase?

The price is 64.99 € (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 10.07.2026 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

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