# Battery 2-Power 11.1V 6486mAh Li-Ion Laptop Battery

**URL:** https://aio.lv/en/product--2-power-cbi3581a--472602
**Data updated:** 2025-12-28 21:21 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** 2-Power
**Manufacturer code:** CBI3581A
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 65.99 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 54.54 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--2-power-cbi3581a--472602

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

The 2-Power 11.1V 6486mAh Li-Ion Laptop Battery is designed for Dell laptops, providing reliable power and performance. With a capacity of 6486mAh, it ensures long-lasting usage, making it ideal for both work and entertainment. This battery is compatible with model CBI3581A, ensuring a perfect fit and easy installation. Enjoy enhanced battery life and efficiency with this high-quality replacement option.

## Long description

The 2-Power 11.1V 6486mAh Li-Ion Laptop Battery is a replacement battery designed for compatible Dell Precision 15 (model 7520) laptops and indicated by manufacturer code CBI3581A. Built with lithium‑ion cells, this battery offers a high-capacity solution to restore mobile power for work or entertainment, fitting into systems that accept an 11.1V Li‑Ion pack and matching the original battery form factor for straightforward installation.
Advantages
This 2-Power battery uses high-grade lithium‑ion cells from reputable manufacturers to provide reliable charging and stable discharge characteristics. It supports faster charge cycles and longer run times compared with older or worn OEM batteries, and includes protection circuitry to reduce the risk of short circuits and overheating during charging and discharging.
Suitable for
Dell Precision 15 7520 laptops
Users needing a replacement battery for model CBI3581A
Workstation use where extended unplugged operation is required
General mobile productivity and multimedia use
Key specifications
Brand: 2-Power
Model / MPN: CBI3581A
Nominal voltage: 11.1 V
Capacity: 6486 mAh (Li‑Ion)
Compatible product line: Precision 15 7520
Colour: Black
Weight: 0.368 kg
How to use
Power down the laptop and disconnect any external power source before replacing the battery. Remove the service panel or release latches according to your Dell Precision 15 7520 manual, extract the old battery, and insert the 2-Power replacement pack ensuring connectors align. Reassemble the panel, reconnect power, and boot the system. Allow the battery to charge fully before first use to calibrate the state-of-charge reporting.
Usage recommendations
For best long-term performance, avoid storing the battery fully discharged or fully charged for extended periods. Use the laptop’s power management settings to reduce unnecessary drain, and perform occasional full charge/discharge cycles to maintain calibration of battery monitoring.

## Specifications

| Feature | Value |
|---|---|
| Harmonized System (HS) code | 84732990 |
| Compliance certificates | RoHS |

### Battery

| Feature | Value |
|---|---|
| Compatible products | Precision 15 7520 |
| Battery technology | Lithium-Ion (Li-Ion) |
| Battery capacity | 8200 mAh |
| Number of battery cells | 6 |
| Battery voltage | 11.1 V |
| Battery capacity | 91 Wh |
| Number of batteries included | 1 pc(s) |
| Product colour | Black |
| Certification | CE |

### Technical details

| Feature | Value |
|---|---|
| Type | Battery |
| Brand compatibility | Dell |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.368 kg |
| Height | 5 mm |
| Width | 70 mm |
| Depth | 250 mm |

### Packaging data

| Feature | Value |
|---|---|
| Package depth | 300 mm |
| Package height | 35 mm |
| Package width | 80 mm |

## FAQ

### How much does the Battery 2-Power 11.1V 6486mAh cost, and is it available for purchase?

The price is 65.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 20 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 01.07.2026 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. 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 2-Power 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 2-Power 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: compatible products, 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/472602/65711723_large.webp