# Battery Duracell MN21 single-use alkaline 12V compact battery for remotes and key fobs

**URL:** https://aio.lv/en/product--duracell-mn-21--513246
**Data updated:** 2026-03-07 10:53 (EET)
**Category:** Batteries
**Manufacturer:** Duracell
**Manufacturer code:** MN 21
**EAN:** 5000394071117
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 8.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 7.02 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--duracell-mn-21--513246

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

Duracell MN21 is a single-use alkaline 12V compact battery designed for small electronic devices. Commonly used in car key fobs, remote controls, garage remotes and security sensors, it provides stable voltage for low-to-moderate drain applications. Long shelf life and reliable performance make it suitable as a replacement cell for compatible devices requiring an MN21/12V alkaline battery.

## Long description

Duracell MN21 is a single-use alkaline 12V compact battery designed for small electronic devices that require a stable high-voltage source in a compact form factor. It is intended as a replacement cell for devices such as car key fobs, remote controls, garage remotes and security sensors. The battery delivers steady voltage for low-to-moderate drain applications and features a long shelf life typical of alkaline chemistry, making it suitable for standby and occasional-use electronics.
Advantages
The Duracell MN21 offers consistent 12V output in a compact package, ensuring reliable operation in devices with limited internal space. Its alkaline chemistry provides a long storage life and low self-discharge, which helps retain usable capacity when stored as a spare. The battery is single-use and designed to meet the voltage and size requirements of compatible devices, making replacement straightforward and predictable.
Suitable for
 Car key fobs and remote keyless entry systems
 Remote controls for gates and garage doors
 Security sensors and alarm system transmitters
 Small wireless transmitters and occasional-use electronic devices
Key specifications
 Chemistry: Alkaline
 Nominal voltage: 12 V
 Form factor: Compact cylindrical/prismatic cell suitable for MN21-compatible compartments
 Intended use: Single-use (non-rechargeable)
 Typical applications: Low-to-moderate drain, standby and intermittent operation devices
 Storage characteristics: Low self-discharge, long shelf life typical of alkaline batteries
How to use
Check the device manufacturer's instructions or the existing battery to confirm compatibility with an MN21 12V alkaline cell before installation. Ensure correct polarity when inserting the battery into the compartment to avoid damage to the device. Replace the battery with a fresh Duracell MN21 when device operation becomes intermittent or weak; dispose of the spent battery according to local battery recycling and disposal regulations. Do not attempt to recharge, disassemble or puncture the battery.
Usage recommendations
Store unused Duracell MN21 batteries in a cool, dry place away from direct heat and humidity. For devices used infrequently, keep a fresh MN21 on hand as a spare to avoid service interruptions. When replacing batteries in security or vehicle access devices, test the device after installation to confirm proper operation.

## FAQ

### How much does the Battery Duracell MN21 12V single-use alkaline cost, and is it available for purchase?

The price is 8.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 46 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 08.07.2026 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. 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 Duracell 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 Duracell 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

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