# Battery BTI for Dell Latitude 5520 model RJ40G M033W 75X16 — Li‑Ion 15.2V 63Wh (3941mAh), black

**URL:** https://aio.lv/en/product--bti-rj40g-bti--11829469
**Data updated:** 2026-03-09 14:38 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** BTI
**Manufacturer code:** RJ40G-BTI
**EAN:** 5059902028570
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 104.99 €
**Prices and availability valid until:** 2026-07-31 23:59
**Price without VAT (21%):** 86.77 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--bti-rj40g-bti--11829469

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

Replacement BTI laptop battery compatible with Dell Latitude 5520 (OEM reference RJ40G M033W 75X16). Lithium‑Ion chemistry, nominal voltage 15.2 V, energy 63 Wh and capacity 3941 mAh. Black battery designed for portable use to restore runtime of the notebook, suitable for on‑the‑road work, office use and battery replacement needs.

## Long description

Replacement BTI battery compatible with Dell Latitude 5520 (reference RJ40G M033W 75X16). This Li‑Ion battery provides a nominal voltage of 15.2 V, energy of 63 Wh and rated capacity of 3941 mAh. The black battery is intended as a direct replacement to restore or extend notebook runtime for mobile and stationary use.
Advantages
The battery uses Lithium‑Ion technology to deliver consistent power within the specified voltage and capacity parameters. Its 63 Wh energy rating and 3941 mAh capacity offer a practical balance between weight and runtime for everyday tasks. Designed for compatibility with Dell Latitude 5520 series, it fits the same battery bay and electrical interface as the original unit. The black finish maintains the laptop’s aesthetic while providing a lightweight power source for on‑the‑road or office use.
Suitable for
Replacing a depleted or faulty battery in Dell Latitude 5520 notebooks
Extending portable runtime for remote or field work
Office use where longer unplugged operation is required
Service and repair tasks requiring a compatible replacement battery
Key specifications
Battery technology: Lithium‑Ion (Li‑Ion)
Nominal voltage: 15.2 V
Energy: 63 Wh
Capacity: 3941 mAh
Colour: Black
Compatible device series: Dell Latitude 5520
How to use
Power down the Dell Latitude 5520 and disconnect any external power source. Remove the existing battery according to the laptop manufacturer’s service instructions, then insert the BTI replacement battery into the battery bay until it clicks into place. Reconnect external power and power on the notebook. Allow the new battery to charge fully before first extended use to ensure the battery management system recognises capacity and calibrates charge indicators.
Usage recommendations
For safe and optimal performance, use the battery with the original Dell charger or a compatible power adapter, avoid exposing the battery to extreme temperatures, and follow manufacturer guidelines for storage and disposal of Lithium‑Ion batteries.

## Specifications

| Feature | Value |
|---|---|
| Quantity per pack | 1 pc(s) |

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium-Ion (Li-Ion) |
| Battery capacity | 3941 mAh |
| Number of battery cells | 4 |
| Battery voltage | 15.2 V |
| Battery capacity | 63 Wh |
| Product colour | Black |

### Technical details

| Feature | Value |
|---|---|
| Brand compatibility | Dell |

## FAQ

### How much does the BTI battery for Dell Latitude 5520 RJ40G — 15.2V 63Wh cost, and is it available for purchase?

The price is 104.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 23.07.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can BTI battery for Dell Latitude 5520 RJ40G — 15.2V 63Wh be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 BTI 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 BTI 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: battery technology, battery capacity, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/11829469/67284765_large.webp