# Button/coin single-use battery Varta V394, Silver-Oxide 1.55 V, 9.5×3.6 mm

**URL:** https://aio.lv/en/product--varta-394101111--10738252
**Data updated:** 2026-03-07 18:00 (EET)
**Category:** Batteries
**Manufacturer:** Varta
**Manufacturer code:** 394101111
**EAN:** 2050001278227
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 4.99 €
**Prices and availability valid until:** 2026-07-26 23:59
**Price without VAT (21%):** 4.12 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--varta-394101111--10738252

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

Varta V394 is a single-use button/coin cell battery using silver-oxide chemistry with a nominal voltage of 1.55 V. Its compact dimensions (9.5 mm diameter, 3.6 mm height) and light weight (0.9 g) suit small electronic devices such as watches, calculators, key fobs, and medical instruments. Designed for stable voltage output and reliable low-drain performance.

## Long description

Varta V394 is a single-use silver-oxide button/coin cell battery with a nominal voltage of 1.55 V and compact dimensions of 9.5×3.6 mm. Weighing approximately 0.9 g, this battery is engineered for stable voltage delivery and consistent low-drain performance, making it suitable for a wide range of small electronic devices that require dependable, long-lasting power in a compact form factor.
Advantages
The silver-oxide chemistry provides a stable voltage profile and improved energy density compared with alkaline button cells of similar size. Its compact, lightweight design allows easy installation in recessed battery compartments. The Varta V394 offers predictable discharge behavior and reliable operation in low-drain applications, reducing the frequency of battery changes for devices such as watches, calculators, and key fobs.
Suitable for
Wristwatches and timekeepers
Calculators and small electronic displays
Car key fobs and remote controls
Medical devices with low current draw (e.g., glucometers, hearing aids with compatible size)
Security sensors, alarm systems and small wireless transmitters
Key specifications
Chemistry: silver-oxide
Nominal voltage: 1.55 V
Diameter: 9.5 mm
Height / thickness: 3.6 mm
Approximate weight: 0.9 g
Cell type: single-use (primary) button/coin cell
How to use
Match the battery size and voltage to the device manufacturer’s specifications before installing. Insert the battery into the device’s compartment following the polarity markings: the flat side is usually positive (+). Ensure contact surfaces are clean and free of corrosion or debris. After installation, verify device operation and dispose of the spent cell responsibly according to local regulations for battery waste.
Usage recommendations
Store unused batteries in a cool, dry place away from direct sunlight and metal objects to prevent short circuits. Do not attempt to recharge, dismantle or expose to fire. Replace batteries in pairs or all at once in multi-cell devices to maintain balanced performance. For devices used for medical or safety purposes, check the battery status periodically and replace before capacity falls below required levels.

## Specifications

### Battery

| Feature | Value |
|---|---|
| Battery type | Single-use battery |
| Battery technology | Silver-Oxide (S) |
| Battery voltage | 1.55 V |
| Battery capacity | 58 mAh |
| Product colour | Silver |

### Other features

| Feature | Value |
|---|---|
| Battery form factor | Button/coin |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.0009 kg |
| Height | 3.6 mm |
| Diameter | 9.5 mm |

## FAQ

### How much does the Varta V394 button silver-oxide 1.55 V cost, and is it available for purchase?

The price is 4.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 11 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 14.07.2026 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 Varta 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 Varta 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, 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.

### Where can I download the instructions for Varta V394 button silver-oxide 1.55 V?

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/10738252/64440532_large.webp