# Battery pack Dell Lithium-Ion 40Wh model 9F4FN — compatible laptop battery, rechargeable

**URL:** https://aio.lv/en/product--dell-9f4fn--11639203
**Data updated:** 2026-02-19 13:18 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Dell
**Manufacturer code:** 9F4FN
**EAN:** 5715328146112
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 88.49 €
**Prices and availability valid until:** 2026-08-23 23:59
**Price without VAT (21%):** 73.13 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dell-9f4fn--11639203

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 07.08.2026 | free |
| Pickup points | 12.08.2026 | 1.79 EUR |
| Courier delivery to door | 12.08.2026 | 4.99 EUR |

## Summary description

Lithium‑Ion battery Dell 40Wh (model 9F4FN) is a rechargeable replacement battery designed for compatible Dell laptops. With a nominal capacity of 40 watt‑hours, it supplies portable power for everyday mobile use, extending run time for work, travel or study. Intended as a direct replacement part, it supports standard charging procedures and helps restore device mobility.

## Long description

Lithium‑Ion battery Dell 40Wh (model 9F4FN) is a rechargeable replacement battery designed for compatible Dell laptops. With a nominal capacity of 40 watt‑hours, it provides portable power for everyday mobile use, extending runtime for work, travel or study. The battery is intended as a direct replacement part that supports standard charging procedures and helps restore device mobility without altering original device functions.
Advantages
This 40Wh lithium‑ion battery offers a balance between energy capacity and compact size suitable for thin-and-light laptop designs. As a rechargeable pack compatible with supported Dell notebooks, it restores operating time, enables unplugged productivity, and reduces the need for frequent wall charging. The battery is designed to integrate with the laptop's existing power management systems and to follow typical charging cycles for safe operation.
Suitable for
 Replacing a worn or failing battery in compatible Dell laptops
 Extending runtime for mobile work, travel, or study sessions
 Keeping a spare battery for field use or long meetings
Key specifications
 Cell chemistry: Lithium‑Ion
 Nominal energy capacity: 40 Wh
 Form factor: internal laptop battery pack designed for specific Dell laptop bay
 Rechargeable: yes, supports standard laptop charging cycles
 Compatibility: designed for use in supported Dell notebook models that accept this physical pack and voltage
How to use
Power off the laptop and disconnect any external power source before replacing the battery. Remove the existing battery following the laptop manufacturer's service instructions, insert the replacement pack until it locks into place, then reconnect AC power and charge the battery fully before first use. After installation, allow the system to recognise the battery; standard operating system battery indicators and power management tools can be used to monitor charge level and health.
Usage recommendations
For longest service life, follow normal lithium‑ion care: avoid deep discharges when possible, store the battery at moderate charge if unused for extended periods, and operate within the laptop's specified temperature range. Use the laptop's original or compatible charger and avoid physical damage or exposure to liquids.

## FAQ

### How much does the Dell Lithium-Ion battery 40Wh 9F4FN cost, and is it available for purchase?

The price is 88.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 218 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 07.08.2026 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 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