# Button cell battery SEIKO SR936SW / 394, silver oxide 1.55V, single piece

**URL:** https://aio.lv/en/product--button-cell-battery-seiko-sr936sw-394-silver-oxide-155v-single-piece--5795865
**Data updated:** 2026-02-12 14:19 (EET)
**Category:** Batteries
**Manufacturer code:** BAT394.SEIKO#
**EAN:** 3100001279881
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 2.52 €
**Prices and availability valid until:** 2026-08-12 23:59
**Price without VAT (21%):** 2.08 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--button-cell-battery-seiko-sr936sw-394-silver-oxide-155v-single-piece--5795865

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 20.07.2026 | free |
| Pickup points | 23.07.2026 | 1.89 EUR |
| Courier delivery to door | 23.07.2026 | 4.99 EUR |

## Summary description

SEIKO SR936SW (also known as 394 or 380) silver-oxide button cell battery, 1.55V, supplied as a single piece. Designed for use in wristwatches, calculators, medical devices and small electronics requiring stable voltage and long shelf life. Provides reliable power for precision devices and easy replacement thanks to standard button-cell size.

## Long description

SEIKO SR936SW (also referred to as 394 or 380) is a single silver-oxide button cell battery with a nominal voltage of 1.55V. Supplied individually, this compact cell is intended for precision devices that require a stable output and long shelf life. Its chemistry and construction are designed to deliver consistent voltage over the discharge period and to fit standard button-cell compartments in watches and small electronics.
Advantages
The silver-oxide chemistry ensures a steady voltage profile and relatively high energy density for its size, supporting reliable operation of timekeeping and measurement devices. The battery's compact button-cell form factor allows easy replacement in a wide range of small devices, and storage stability minimizes self-discharge during shelf life. Manufactured to watch-grade dimensions, it provides predictable fit and contact in compatible holders.
Подходит для
 Наручные часы
 Калькуляторы
 Медицинские приборы с низким энергопотреблением
 Малые электронные устройства (например, пульты, датчики, игрушки с небольшой нагрузкой)
Key specifications
 Chemistry: silver-oxide (AgO)
 Nominal voltage: 1.55 V
 Cell type: button / coin cell
 Supply: single piece, pre-packaged
 Typical applications: precision timekeeping and low-drain electronics
 Stable discharge characteristics for consistent device operation
How to use
Install the SR936SW with correct polarity, observing the positive (+) and negative (–) markings on the device and battery. Use a non-metallic tool or plastic tweezers where possible to avoid shorting contacts during replacement. Ensure the battery compartment is clean and free of corrosion before inserting the new cell. After replacement, verify device function and close the compartment securely to maintain contact and environmental protection.
Usage recommendations
Store unused batteries in a cool, dry place away from direct sunlight and metal objects. Do not attempt to recharge, disassemble, short-circuit or expose the cell to fire. Keep out of reach of children and follow local regulations for battery disposal or recycling.

## FAQ

### How much does the SEIKO SR936SW (394) silver-oxide 1.55V button battery cost, and is it available for purchase?

The price is 2.52 € (valid at the time of publication and already includes all taxes). The item is available for order — 7 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 20.07.2026 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.

### 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

https://aio.lv/img/cache/product/5795865/44564638_large.webp