# Button cell battery SEIKO SR726SW (type 397) 1.55V silver oxide — 1 pc

**URL:** https://aio.lv/en/product--button-cell-battery-seiko-sr726sw-type-397-155v-silver-oxide-1-pc--5795866
**Data updated:** 2026-02-12 14:19 (EET)
**Category:** Batteries
**Manufacturer code:** BAT397.SEIKO#
**EAN:** 3100001279911
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 2.17 €
**Prices and availability valid until:** 2026-08-04 23:59
**Price without VAT (21%):** 1.79 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--button-cell-battery-seiko-sr726sw-type-397-155v-silver-oxide-1-pc--5795866

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.89 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

Single SEIKO SR726SW (397) silver-oxide button cell battery, 1.55V, supplied as one piece. Designed for precision devices such as watches, calculators, medical instruments and small electronics that require stable voltage and long shelf life. Suitable for replacement in compatible devices using SR726SW/397 batteries.

## Long description

Single SEIKO SR726SW (type 397) silver-oxide button cell battery, nominal voltage 1.55 V, supplied as one piece. Designed to deliver stable voltage and predictable discharge characteristics for small precision devices, this cell is commonly used as a direct replacement in compatible watches, calculators, medical instruments and other compact electronics that require consistent power over extended periods.
Advantages
The SR726SW silver-oxide chemistry offers a stable 1.55 V output with low self-discharge, providing reliable performance over its recommended service life. Its compact button-cell form factor ensures compatibility with devices built for SR726SW/397 dimensions. Silver-oxide construction yields better voltage stability under load compared with alkaline alternatives, which supports accurate timekeeping and consistent operation in sensitive instruments.
Подходит для
 Наручные часы и карманные часовники, совместимые с типом SR726SW/397
 Калькуляторы и портативные электронные устройства
 Медицинские приборы малого размера (например, глюкометры и измерители давления), требующие стабильного питания
 Дистанционные элементы управления и небольшие сенсорные датчики
Key specifications
 Chemistry: silver-oxide
 Nominal voltage: 1.55 V
 Cell type / format: button cell (SR726SW / type 397 dimensions)
 Supply quantity: 1 piece
 Typical use: low-drain to medium-drain precision devices
 Storage characteristics: low self-discharge for extended shelf life
How to use
Before installation, confirm device compatibility with SR726SW/397 batteries by checking the device manual or existing battery marking. Insert the battery with correct polarity, ensuring the plus (+) side faces the indicated terminal in the battery compartment. Close the compartment securely and verify device operation. Replace batteries in pairs or as recommended by the device manufacturer where multiple cells are used. Dispose of the spent battery according to local regulations for battery recycling or collection points.
Usage recommendations
Store unused batteries in a cool, dry place away from metal objects and extreme temperatures. Avoid short-circuiting, disassembling or exposing the cell to fire. For devices that require consistent timekeeping or medical measurements, replace the battery at the first sign of reduced performance to maintain accuracy.

## FAQ

### How much does the SEIKO SR726SW (397) 1.55V button cell cost, and is it available for purchase?

The price is 2.17 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 13.07.2026 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/5795866/44564639_large.webp