# Uniross U5A27 A27 Single-Use Lithium-Manganese Dioxide Battery 12.2V 5-Pack

**URL:** https://aio.lv/en/product--rayovac-u5a27--12521040
**Data updated:** 2026-06-17 08:20 (EEST)
**Category:** Batteries
**Manufacturer:** RAYOVAC
**Manufacturer code:** U5A27
**EAN:** 4895122316148
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 6.99 €
**Prices and availability valid until:** 2026-07-30 23:59
**Price without VAT (21%):** 5.78 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--rayovac-u5a27--12521040

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

The Uniross U5A27 is a high-performance A27 single-use battery utilizing Lithium-Manganese Dioxide (LiMnO2) technology. With a voltage of 12.2V, this battery is designed for reliable power in specialized electronic devices. This pack includes 5 batteries, providing a consistent energy source for remote controls, security systems, and other compact electronics requiring stable voltage output.

## Long description

The Uniross U5A27 is a high-performance A27 single-use battery engineered with advanced Lithium-Manganese Dioxide (LiMnO2) technology. Designed to deliver a stable 12.2V power output, this battery provides reliable energy for specialized electronic devices that require consistent performance in a compact form factor. This pack contains five individual batteries, ensuring you have a dependable supply for your essential electronics.
Advantages
The primary benefit of the Uniross U5A27 is its high energy density and stable voltage discharge, which is critical for the precise operation of sensitive electronic components. The Lithium-Manganese Dioxide chemistry offers a long shelf life and excellent performance across a wide range of temperatures, making it a superior choice compared to standard alkaline alternatives for specific high-drain applications. Its compact size and lightweight design allow for seamless integration into small devices without adding unnecessary bulk.
Suitable for
Remote controls for garage doors and gate openers
Wireless security sensors and alarm systems
Keyless entry fobs for vehicles
Specialized medical devices
Compact electronic equipment requiring 12V power
When it may not be suitable
This battery is not designed for high-drain devices that require continuous, heavy power consumption over long periods, such as motorized toys or high-intensity flashlights. It is also not suitable for devices that require rechargeable power sources, as this is a single-use primary cell.
Key specifications
Battery type: Single-use (Primary)
Chemistry: Lithium-Manganese Dioxide (LiMnO2)
Voltage: 12.2 V
Size: A27
Capacity: 22 mAh
Quantity: 5 batteries per pack
Weight: 4.5 g per battery
How to use
To use the Uniross U5A27, simply open the blister packaging and insert the battery into your device's battery compartment, ensuring that the positive and negative terminals are aligned correctly according to the polarity markings inside the device. Once installed, the device should be ready for immediate use. If the device does not power on, verify that the contacts are clean and the battery is seated firmly.
What to consider before purchase
Check your device manual to ensure it specifically requires an A27 size battery.
Verify the voltage requirements of your equipment to prevent damage.
Store batteries in a cool, dry place away from direct sunlight.
Keep out of reach of children and pets.
Usage recommendations
For optimal performance and longevity, replace all batteries in a device simultaneously if the unit uses more than one cell. Avoid mixing different battery brands or chemistries within the same device, and remove the batteries if the equipment will not be used for an extended period to prevent potential leakage.

## Specifications

### Battery

| Feature | Value |
|---|---|
| Battery type | Single-use battery |
| Battery size(s) | A27 |
| Battery technology | Lithium-Manganese Dioxide (LiMnO2) |
| Battery voltage | 12.2 V |
| Number of batteries included | 5 pc(s) |
| Battery capacity | 22 mAh |
| Product colour | Black, White |
| Battery life | 5 year(s) |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.0045 kg |
| Width | 28.2 mm |
| Diameter | 8.1 mm |

### Operational conditions

| Feature | Value |
|---|---|
| Operating temperature (T-T) | -20 - 60 |

### Packaging data

| Feature | Value |
|---|---|
| Package type | Blister |

## FAQ

### How much does the Uniross U5A27 A27 Lithium-Manganese Dioxide Battery cost, and is it available for purchase?

The price is 6.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 190 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 16.07.2026 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 RAYOVAC 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 RAYOVAC 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 type, battery technology, battery voltage, number of batteries included, weight, battery size(s), 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.

### Where can I download the instructions for Uniross U5A27 A27 Lithium-Manganese Dioxide Battery?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/12521040/68878315_large.webp