# Button/coin battery Energizer 393 — Silver-Oxide 1.55 V, 7.9×5.4 mm

**URL:** https://aio.lv/en/product--no-name-twm253654--12242546
**Data updated:** 2026-04-01 09:49 (EEST)
**Category:** Batteries
**Manufacturer:** No name
**Manufacturer code:** twm\_253654
**EAN:** 7638900998009
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 22.49 €
**Prices and availability valid until:** 2026-07-26 23:59
**Price without VAT (21%):** 18.59 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--no-name-twm253654--12242546

## 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

Energizer 393 is a single-use button/coin battery with silver-oxide chemistry and a nominal voltage of 1.55 V. Its compact dimensions (7.9 mm diameter × 5.4 mm height) suit watches, calculators, small electronic toys, medical devices and other low-drain portable electronics that require stable voltage and long shelf life.

## Long description

Energizer 393 — Silver-Oxide 1.55 V, 7.9×5.4 mm is a single-use button/coin cell designed for devices that require a stable 1.55 V supply in a compact size. With silver-oxide chemistry and a small 7.9 mm diameter by 5.4 mm height profile, this battery is suitable for precision low-drain electronics such as watches, calculators and certain medical and measuring instruments. The chemistry provides a stable discharge curve and predictable end-of-life performance, making it appropriate for devices where consistent voltage is important.
Advantages
The silver-oxide composition offers a steady voltage output throughout most of the service life, with good capacity retention in low-drain applications. Its compact dimensions allow use in confined battery compartments and precision instruments. The single-use construction is optimized for long shelf life and reliable operation when installed, supporting devices that require minimal maintenance and predictable replacement intervals.
Suitable for
 Wristwatches and timepieces
 Calculators and small electronic displays
 Medical devices such as glucose meters and hearing devices (where specified by manufacturer)
 Small toys, remote controls and key fobs
 Portable measuring instruments and sensors
Key specifications
 Chemistry: Silver-oxide
 Nominal voltage: 1.55 V
 Diameter: 7.9 mm
 Height/thickness: 5.4 mm
 Typical capacity: approximately 80 mAh (application-dependent)
 Cell format: button/coin cell
How to use
Install the battery in the device following the manufacturer’s polarity markings: the positive (+) side typically faces up in most coin cell holders. Ensure contacts in the device are clean and free of corrosion before inserting the new battery. Replace the button cell when device performance declines or when the device indicates low battery. Dispose of used batteries according to local regulations for single-use batteries and recycling schemes.
Usage recommendations
Store unused batteries in a cool, dry place away from metal objects and out of reach of children. Do not recharge, short-circuit, disassemble or expose to fire. For medical or safety-critical devices, follow the device manufacturer's battery specifications and replacement intervals.

## Specifications

### Battery

| Feature | Value |
|---|---|
| Battery type | Single-use battery |
| Battery technology | Silver-Oxide (S) |
| Battery voltage | 1.55 V |
| Number of batteries included | 1 pc(s) |
| Battery capacity | 80 mAh |
| Product colour | Silver |

### Other features

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

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.0011 kg |
| Height | 5.4 mm |
| Width | 7.9 mm |
| Depth | 7.9 mm |
| Diameter | 7.9 mm |

## FAQ

### How much does the Energizer 393 button battery — Silver-Oxide 1.55V cost, and is it available for purchase?

The price is 22.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 No name 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 No name 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, 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/12242546/68143291_large.webp