# Battery 2-Power 11.1V 3-cell 27Wh (2500mAh, 0.152kg) replaces MN791

**URL:** https://aio.lv/en/product--2-power-2p-mn791--1950882
**Data updated:** 2026-03-07 11:02 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** 2-Power
**Manufacturer code:** 2P-MN791
**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-2p-mn791--1950882

## 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

3‑cell laptop battery from 2-Power with nominal voltage 11.1 V and energy 27 Wh (capacity 2500 mAh). Designed as a replacement for MN791 compatible laptop models. Lightweight (0.152 kg) lithium battery intended for portable device power, suitable for extending runtime and replacing worn OEM batteries.

## Long description

2-Power 11.1V 3-cell lithium-ion replacement battery with a nominal voltage of 11.1 V and energy of 27 Wh (capacity 2500 mAh). This lightweight battery (0.152 kg) is designed as a direct replacement for MN791-compatible laptop models and is intended to restore or extend the portable runtime of devices whose original battery has degraded. The pack uses lithium-based cells selected for consistent charge/discharge behavior and is suitable for everyday laptop use where a compact, low-weight battery is required.
Advantages
The battery provides a balance of capacity and light weight, offering up to 27 Wh of energy in a compact 3-cell configuration. Built with high-grade cells from reputable manufacturers, the pack supports standard fast charging profiles and stable voltage output during use. Integrated protection electronics monitor charging and discharging to reduce the risk of short circuits and overheating, helping to maintain reliable performance over repeated charge cycles.
Suitable for
 Replacing a worn or failed MN791-compatible laptop battery
 Extending laptop runtime for office and mobile work
 Lightweight battery needs where reduced device weight is important
 General-purpose use in compatible portable devices that accept 11.1 V 3-cell packs
Key specifications
 Nominal voltage: 11.1 V
 Energy: 27 Wh
 Capacity: 2500 mAh
 Cell configuration: 3-cell (lithium-ion)
 Weight: 0.152 kg
 Protection: integrated charge/discharge and thermal protection electronics
How to use
Switch off the laptop and remove any external power source before replacing the battery. Remove the existing battery following the device manufacturer’s instructions and insert the 2-Power replacement pack into the battery bay until it locks into place. Reconnect the mains adapter and charge the battery fully before first use to ensure the battery management system initializes correctly. Use the device normally and follow standard charging practices to maintain battery health.
Usage recommendations
Store and operate the battery within the device manufacturer’s recommended temperature range, avoid prolonged exposure to high heat, and do not disassemble or puncture the pack. Charge with the original or compatible laptop adapter and avoid leaving the battery at full charge or fully depleted for extended periods to prolong cycle life.

## Specifications

### Battery

| Feature | Value |
|---|---|
| Battery capacity | 2500 mAh |
| Number of battery cells | 3 |
| Battery voltage | 11.1 V |
| Battery capacity | 27 Wh |

### Technical details

| Feature | Value |
|---|---|
| Type | Battery |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.152 kg |

## FAQ

### How much does the 2-Power 11.1V 3-cell 27Wh Laptop Battery 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 — 5 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 capacity, weight, 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/1950882/55867508_large.webp