# Battery PATONA 2821 for ASUS ZenBook/X540 series — Li-Ion 2200 mAh, black/pink/yellow

**URL:** https://aio.lv/en/product--patona-2821--12253300
**Data updated:** 2026-04-06 09:57 (EEST)
**Category:** Portable Device Batteries
**Manufacturer:** PATONA
**Manufacturer code:** 2821
**EAN:** 4055655205474
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 74.49 €
**Prices and availability valid until:** 2026-07-26 23:59
**Price without VAT (21%):** 61.56 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--patona-2821--12253300

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

Replacement laptop battery PATONA 2821 compatible with ASUS ZenBook X540 and X540LA/LJ/SA/SC/YA/S models. Lithium‑Ion battery with 2200 mAh capacity, designed as a spare part for portable device power supply. Available in black, pink and yellow; weight about 0.147 kg. Suited for restoring runtime and replacing worn original cells.

## Long description

PATONA 2821 replacement battery designed for ASUS X540 series laptops. It is a Lithium‑Ion battery with a nominal capacity of 2200 mAh, available in black, pink and yellow finishes. The battery is intended as a direct spare part for compatible ZenBook and X540 laptop models.
Advantages
The battery uses Lithium‑Ion technology for a balance of energy density and weight. With a capacity of 2200 mAh it provides a practical replacement option for standard everyday use. Lightweight construction helps keep the laptop portable while offering colour options to match or personalise the device.
Suitable for
 ASUS ZenBook X540 laptops
 ASUS X540LA series
 ASUS X540LJ series
 ASUS X540SA series
 ASUS X540SC series
 ASUS X540YA series
 ASUS X540S models
When it may not be suitable
This battery may not be suitable for devices outside the listed ASUS X540 and ZenBook X540 model families. It is not intended as a universal battery and will not fit laptops with different battery shapes or connector types. Performance may vary depending on the device condition and power management settings.
Key specifications
 Battery technology: Lithium‑Ion (Li‑Ion)
 Capacity: 2200 mAh
 Weight: 0.147 kg
 Available colours: Black, Pink, Yellow
 Quantity: 1 piece
How to use
Switch off the laptop and disconnect it from mains power before replacing the battery. Remove the laptop back cover according to the manufacturer’s instructions, disconnect the old battery connector and remove the battery pack. Install the PATONA 2821 battery, reconnect the battery cable and reassemble the laptop. Charge the battery fully before first use and follow normal charging cycles for best battery health.
What to consider before purchase
 Confirm exact laptop model compatibility with the ASUS X540 / ZenBook X540 series.
 Check the shape and connector of the original battery to ensure a physical fit.
 Consider required capacity and whether 2200 mAh meets your runtime needs.
Usage recommendations
For optimal battery life, perform initial full charge and avoid deep discharges; use manufacturer-recommended charging practices and avoid excessive heat during operation and storage.

## Specifications

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

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium-Ion (Li-Ion) |
| Battery capacity | 2200 mAh |
| Battery voltage | 10.8 V |
| Battery capacity type | Standard |
| Battery capacity | 23.8 Wh |
| Product colour | Black, Pink, Yellow |

### Technical details

| Feature | Value |
|---|---|
| Type | Battery |
| Compatibility | ZenBookX540 Serie, X540LA Serie, X540LJ Serie, X540SA Serie, X540SC Serie, X540YA Serie, X540S |
| Brand compatibility | Asus |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.147 kg |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 210 g |
| Package type | Box |

## FAQ

### How much does the Battery PATONA 2821 for ASUS ZenBook/X540 cost, and is it available for purchase?

The price is 74.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 16.07.2026 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 2821 for ASUS ZenBook/X540 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/12253300/68161033_large.webp