# Notebook battery Acer KT.00303.002 original 4850 mAh for compatible Acer laptops

**URL:** https://aio.lv/en/product--acer-nb410439--4128688
**Data updated:** 2025-12-29 15:41 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Acer
**Manufacturer code:** NB410439
**EAN:** 9990000410439
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 60.99 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 50.40 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--acer-nb410439--4128688

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 26.06.2026 | free |
| Pickup points | 01.07.2026 | 1.99 EUR |
| Courier delivery to door | 01.07.2026 | 4.99 EUR |

## Summary description

Original Acer notebook battery KT.00303.002 with 4850 mAh capacity designed as a replacement power source for compatible Acer laptops. Provides portable power for everyday mobile use, extending run time between charges. Ideal for business travel, study, or home use where the original-spec battery restores device mobility and reliable performance.

## Long description

The original Acer notebook battery KT.00303.002 is a 11.1 V Li‑Po battery with a rated capacity of 4850 mAh. It is made from high‑quality components and includes protections against overheating and overload to maintain long service life. This replacement battery restores portable power for compatible Acer laptops and follows the original specifications.
Advantages
The battery uses a lithium‑polymer chemistry and the specified 11.1 V output to ensure compatibility with listed Acer models. Built‑in safety measures reduce the risk of overheating and overload, contributing to stable operation and prolonged battery life. The unit is supplied in black and comes with a 12‑month warranty from the manufacturer, Acer.
Suitable for
Acer Aspire M3 series (including M3‑581 and M3‑581TG variants)
Acer Aspire M5 series (including M5‑481 and M5‑581 variants)
Acer Timeline U and Timeline ULTRA M3/M5 models
Acer Iconia Tab W700 and W700P
Replacement for battery part numbers 3ICP7/67/90AP12A3I, AP12A3I, AP12A4I, BT.00304.011, KT.00303.002
Key specifications
Capacity: 4850 mAh
Chemistry: Li‑Po (lithium‑polymer)
Nominal voltage: 11.1 V
Color: black
Manufacturer: Acer
Warranty: 12 months
How to use
Turn off the laptop and disconnect any external power supply before replacing the battery. Remove the service panel or battery cover following the laptop manufacturer’s instructions, remove the existing battery, and install the replacement KT.00303.002 ensuring the connector is properly seated. Reassemble the panel and charge the new battery fully before first use to calibrate charge reporting.
Usage recommendations
For best results, use the battery in the specified Acer models only, avoid exposure to high temperatures or moisture, and consult a specialist if you are uncertain about model compatibility. If doubts remain about fit or part number matching, contact a consultant before purchase.

## FAQ

### How much does the Notebook battery Acer KT.00303.002 4850 mAh cost, and is it available for purchase?

The price is 60.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 26.06.2026 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. 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 Acer 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 Acer 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/4128688/10548805_large.webp