# Rechargeable laptop battery Dell J31N7 — 45 Wh, 4‑cell, compatible replacement

**URL:** https://aio.lv/en/product--dell-j31n7--3451968
**Data updated:** 2026-02-12 09:52 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Dell
**Manufacturer code:** J31N7
**EAN:** 5712505752425
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 157.99 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 130.57 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dell-j31n7--3451968

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.89 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

Dell J31N7 is a rechargeable 4‑cell laptop battery with a rated capacity of 45 Wh. Designed as a direct replacement for compatible Dell notebook models, it restores portable power for everyday use — browsing, office work and light multimedia. The battery provides a compact, lightweight power source and is intended for simple user replacement and continued mobility.

## Long description

Dell J31N7 is a rechargeable 4-cell laptop battery with a rated capacity of 45 Wh designed as a compatible replacement for certain Dell notebook models. It provides portable power for browsing, office applications and light multimedia use, delivering a compact and lightweight power source intended for straightforward user replacement and continued mobility.
Advantages
The battery offers a balance of capacity and portability in a slim, 4-cell format that fits the original Dell mounting points and connectors for easy installation. With a rated energy of 45 Wh it restores working time for everyday tasks and reduces dependence on mains power while remaining lightweight for mobile use. The design supports standard charging and power-management behaviors of Dell notebooks and is manufactured to meet typical quality and safety expectations for rechargeable laptop batteries.
Suitable for
Replacing a depleted battery in compatible Dell laptops
Extending operating time for office work and web browsing
Light multimedia playback and video calls on the go
Travel and remote work where compact, low-weight power is required
Key specifications
Cell count: 4-cell configuration
Nominal energy: 45 Wh
Chemistry: Lithium-ion rechargeable cells
Form factor: Slim, OEM-compatible replacement shape
Compatibility: Designed for use in compatible Dell notebook models (user to verify model fitment)
How to use
Power down the laptop, disconnect the AC adapter and follow the laptop manufacturer’s instructions to remove the original battery. Align the replacement battery with the battery bay and connector, press into place until it seats securely, and fasten any latches or screws as required. Reconnect the AC adapter and allow the battery to charge fully before first use to ensure proper calibration with the notebook’s power-management system.
Usage recommendations
For safe and reliable operation, use the battery in environments within the manufacturer’s recommended temperature range, avoid exposing it to liquids or extreme heat, and charge it using the laptop’s original adapter and charging circuitry. Do not disassemble or puncture the battery pack; recycle or dispose of the battery according to local electronic-waste regulations.

## FAQ

### How much does the Laptop battery Dell J31N7 — 45 Wh 4‑cell cost, and is it available for purchase?

The price is 157.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 15 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 09.07.2026 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: Cash payment, 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/3451968/51144478_large.webp