# Battery 2-Power CBP3861A for DELL Vostro 3511 3515

**URL:** https://aio.lv/en/product--2-power-cbp3861a--10778792
**Data updated:** 2025-12-30 10:08 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** 2-Power
**Manufacturer code:** CBP3861A
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 44.99 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 37.18 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--2-power-cbp3861a--10778792

## 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 CBP3861A battery is specifically designed for DELL Vostro 3511 and 3515 laptops. It provides a reliable power supply, ensuring compatibility and enhancing the performance and longevity of your device. This battery is an essential spare part for maintaining your laptop's functionality.

## Long description

The 2-Power CBP3861A battery is designed specifically for Dell Vostro 3511 and 3515 laptops. As a Lithium Polymer (LiPo) pack with a capacity of 3300 mAh, it offers a direct replacement that matches the required voltage, capacity and physical fit to restore mobile power and extend device uptime. 2-Power assembles its laptop packs using Japanese and Korean cells to ensure consistent quality and reliability.
Advantages
The CBP3861A provides compatibility with the original Dell power requirements while using high-quality cells. Its manufacturer-focused design ensures correct voltage and form factor for Vostro 3511 and 3515 models, and the 3300 mAh capacity supplies reliable runtime for everyday tasks. 2-Power’s production and stock availability facilitate easy replacement when a worn or failing battery needs swapping.
Suitable for
 Replacing a worn or defective battery in Dell Vostro 3511
 Replacing a worn or defective battery in Dell Vostro 3515
 Keeping a spare battery for travel or extended mobile use
Key specifications
 Brand: 2-Power
 Model / MPN: CBP3861A
 Compatible models: Dell Vostro 3511, 3515
 Battery technology: Lithium Polymer (LiPo)
 Capacity: 3300 mAh
 Category: Batteries for portable devices
How to use
Power down the laptop and disconnect any external power source. Remove the old battery following the Dell service instructions for the Vostro 3511/3515, then install the CBP3861A ensuring proper alignment and secure connection to the battery contacts. Reattach any screws or latches and boot the laptop. Allow the new battery to charge fully before first extended use to ensure correct calibration and optimal initial performance.
Usage recommendations
For safe operation, use the CBP3861A only in the specified Dell Vostro models and avoid exposing the battery to excessive heat or moisture. Follow the laptop manufacturer’s guidelines for charging cycles and storage; if the battery shows signs of damage, swelling or abnormal behavior, stop using it and replace it immediately.

## Specifications

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

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium Polymer (LiPo) |
| Battery capacity | 3300 mAh |
| Battery voltage | 11.4 V |

### Technical details

| Feature | Value |
|---|---|
| Type | Battery |
| Compatibility | Vostro 3511, 3515 |
| Brand compatibility | Dell |

## FAQ

### How much does the Battery 2-Power CBP3861A for DELL Vostro 3511 3515 cost, and is it available for purchase?

The price is 44.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 26 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: battery technology, battery capacity, 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/10778792/61948352_large.webp