# Energizer 321 Silver Oxide Battery 1.55V (SR616SW)

**URL:** https://aio.lv/en/product--energizer-321ene--12538830
**Data updated:** 2026-06-27 08:59 (EEST)
**Category:** Batteries
**Manufacturer:** Energizer
**Manufacturer code:** 321/ENE
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 2.31 €
**Prices and availability valid until:** 2026-07-28 23:59
**Price without VAT (21%):** 1.91 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--energizer-321ene--12538830

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Thursday | free |
| Pickup points | 07.07.2026 | 1.89 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

The Energizer 321 is a high-quality 1.55V silver oxide button cell battery, also known as SR616SW. Designed for precision devices, it provides stable voltage and reliable power for wristwatches, medical instruments, and small electronic gadgets. Its chemistry ensures a long shelf life and consistent performance, making it an ideal choice for low-drain devices requiring compact and dependable energy solutions.

## Long description

The Energizer 321 Silver Oxide Battery is a premium 1.55V button cell, specifically engineered to provide reliable and stable power for precision electronic devices. Known technically as SR616SW, this battery utilizes advanced silver oxide chemistry to ensure consistent voltage output throughout its service life. It is designed to meet the rigorous demands of modern micro-electronics, offering a dependable energy source for devices that require compact dimensions and long-term performance stability.
Advantages
This battery offers exceptional performance characteristics, serving as a high-quality alternative to traditional mercury-containing cells. The silver oxide chemistry provides a flat discharge curve, which is essential for maintaining the accuracy of timekeeping devices and the reliability of sensitive medical instruments. Furthermore, the battery features an extended shelf life, ensuring that it remains ready for use even after prolonged storage. Each unit undergoes extensive testing to guarantee quality and prevent premature failure, providing users with peace of mind and consistent power delivery.
Suitable for
Analog and digital wristwatches
Medical instruments and health monitors
Small electronic gadgets and precision sensors
Calculators and compact digital devices
When it may not be suitable
This battery is not intended for high-drain applications that require significant bursts of energy, such as devices with powerful motors or high-intensity lighting. It is specifically optimized for low-drain devices and may not provide the necessary capacity for electronics with high power consumption profiles.
Key specifications
Voltage: 1.55V
Chemistry: Silver Oxide
Size designation: 321 / SR616SW
Type: Button cell
How to use
To install the battery, ensure the device is powered off. Open the battery compartment of your electronic device, typically located on the back of a watch or the side of a small gadget. Remove the depleted cell and insert the new Energizer 321 battery, ensuring that the positive (+) and negative (-) terminals are aligned correctly according to the markings in the device compartment. Close the cover securely to ensure proper contact.
What to consider before purchase
Verify the battery size code (321 or SR616SW) matches your device requirements
Check the polarity orientation required by your device
Ensure the device is compatible with 1.55V silver oxide chemistry
Usage recommendations
Store batteries in a cool, dry place away from direct sunlight and extreme temperatures to maintain optimal shelf life. Keep out of reach of children and pets to prevent accidental ingestion.

## FAQ

### How much does the Energizer 321 Silver Oxide Battery 1.55V cost, and is it available for purchase?

The price is 2.31 € (valid at the time of publication and already includes all taxes). The item is available for order — 50 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 Thursday 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 Energizer 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 Energizer 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

## Image

https://aio.lv/img/cache/product/12538830/68904057_large.webp