# Battery PATONA 2921 for Dell Latitude and Precision laptops — compatible with 5400/5401/5500/5501/5410/5411/5510/5511/3541/3550/3551

**URL:** https://aio.lv/en/product--patona-2921--11834774
**Data updated:** 2026-03-09 14:47 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** PATONA
**Manufacturer code:** 2921
**EAN:** 4055655244947
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 107.99 €
**Prices and availability valid until:** 2026-07-25 23:59
**Price without VAT (21%):** 89.25 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--patona-2921--11834774

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.89 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

Replacement laptop battery PATONA 2921 compatible with a range of Dell Latitude and Precision models. Designed as a spare part to restore mobile power for Dell Latitude 5400/5401/5410/5411/5500/5501/5510/5511 and Precision 3541/3550/3551. Use for battery replacement or repair to extend device runtime and maintain mobility in office, field, or travel use.

## Long description

PATONA 2921 is a replacement lithium-ion battery designed for select Dell Latitude and Precision laptops. It restores mobile power to models such as Latitude 5400, 5401, 5410, 5411, 5500, 5501, 5510, 5511 and Precision 3541, 3550, 3551. The battery uses high-quality branded cells and a customised housing to match the original battery form factor and electrical connections, providing a direct swap-in option for repair or replacement tasks.
Advantages
The PATONA 2921 battery delivers a factory-fit physical design and integrated safety features including overcharge and short-circuit protection. Built with new branded cells from reputable manufacturers, it aims to offer consistent power delivery and reliable recharge cycles. The replacement battery is presented as a single-unit spare part in compatible colour options and is intended to maintain laptop mobility for office, field, and travel use.
Suitable for
Replacing a worn or failed battery in supported Dell Latitude models
Restoring battery runtime for Dell Precision 3541/3550/3551
Field repairs or on-site maintenance where original part compatibility is required
Upgrading a used device to regain portable operation during travel or remote work
Key specifications
Battery type: Lithium-ion replacement battery
Compatibility: Dell Latitude 5400/5401/5410/5411/5500/5501/5510/5511; Dell Precision 3541/3550/3551
Cell origin: high-quality branded cells (Panasonic, LG, Sanyo or equivalent)
Protective features: overcharge protection and short-circuit protection
Quantity: 1 piece
Colours: black and yellow options indicated
How to use
Power off the laptop and disconnect any external power source before beginning replacement. Remove the service panel or battery access cover according to the laptop manufacturer’s instructions, detach the original battery connector, and remove the old battery. Position the PATONA 2921 battery in place, connect the battery cable securely to the motherboard connector, and reassemble the laptop housing. After installation, charge the battery fully before first use and verify system recognition in the operating system battery settings.
Usage recommendations
Use genuine charger specifications from the laptop manufacturer and avoid exposing the battery to extreme temperatures. Calibrate charge reporting occasionally by performing a full charge and discharge cycle. If the laptop shows any error messages or the battery fails to charge, consult a qualified technician or follow Dell’s service guidance.

## Specifications

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

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium Polymer (LiPo) |
| Battery capacity | 8000 mAh |
| Battery voltage | 7.6 V |
| Product colour | Black, Yellow |

### Technical details

| Feature | Value |
|---|---|
| Type | Battery |
| Compatibility | Dell
Latitude 5400, 5401, 5500, 5501, 5410, 5411, 5510, 5511
Precision 3541 3550 3551 |
| Brand compatibility | Dell |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.292 kg |
| Height | 104 mm |
| Width | 238 mm |
| Depth | 7.5 mm |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 376 g |
| Package depth | 30 mm |
| Package height | 143 mm |
| Package width | 300 mm |
| Package type | Box |

## FAQ

### How much does the Battery PATONA 2921 for Dell Latitude/Precision cost, and is it available for purchase?

The price is 107.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 15.07.2026 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 Battery PATONA 2921 for Dell Latitude/Precision 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 PATONA 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 PATONA 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, weight, 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/11834774/67280827_large.webp