---
product_id: 153355213
title: "2 X Renata Mercury Free Swiss Made Silver 1.55V -SR936SW-394 Battery"
brand: "renata"
price: "€ 5.23"
currency: EUR
in_stock: true
reviews_count: 13
category: "Renata"
url: https://www.desertcart.ie/products/153355213-2-x-renata-mercury-free-swiss-made-silver-1-55v
store_origin: IE
region: Ireland
---

# 1.55V stable power Mercury-free eco-friendly Swiss precision made 2 X Renata Mercury Free Swiss Made Silver 1.55V -SR936SW-394 Battery

**Brand:** renata
**Price:** € 5.23
**Availability:** ✅ In Stock

## Summary

> ⏱️ Power your moments with Swiss precision and eco-smart energy!

## Quick Answers

- **What is this?** 2 X Renata Mercury Free Swiss Made Silver 1.55V -SR936SW-394 Battery by renata
- **How much does it cost?** € 5.23 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/153355213-2-x-renata-mercury-free-swiss-made-silver-1-55v)

## Best For

- renata enthusiasts

## Why This Product

- Trusted renata brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Easy DIY Replacement:** Fits standard SR936SW slots, making battery swaps quick and hassle-free.
- • **Eco-Conscious Choice:** Mercury-free design aligns with your sustainable lifestyle without compromising performance.
- • **Swiss-Made Precision:** Crafted in Switzerland for unmatched reliability and consistent voltage output.
- • **Long-lasting Power Boost:** Keeps your watch ticking longer than original batteries, saving you frequent replacements.
- • **Value Without Compromise:** Premium quality at a fraction of the price—smart savings for savvy professionals.

## Overview

The Renata SR936SW-394 is a mercury-free, Swiss-made silver oxide button cell battery delivering a stable 1.55V output. Designed for watches and small electronics, it offers longer life than many original batteries, eco-friendly composition, and reliable performance—all at a competitive price point.

## Description

Renata Mercury Free Swiss Made Silver 1.55V -SR936SW-394 Battery

Review: Recommend - Has lasted longer than my original watch battery so seems to have good quality and for a fraction of the price. It’s a win win
Review: Watch Battery. - Good price and works very well. Item arrived as ordered and even was in my hands a couple of days earlier than suggested. It’s very easy to change a watch battery and the saving of approx £8-£10 is well worth the postal wait.

## Features

- Renata Button Cell Silver Oxide Battery 394

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B010KG6YKI |
| Best Sellers Rank | 543 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 120 in Disposable Household Batteries |
| Guaranteed software updates until | unknown |
| Item model number | 394 |
| Manufacturer | Renata |
| Package Dimensions | 15 x 7 x 1.1 cm; 4.54 g |

## Product Details

- **Battery capacity:** 1000 Milliampere Hour (mAh)
- **Battery cell composition:** Silver Oxide
- **Brand:** Renata
- **Number of batteries:** 2 Nonstandard Battery batteries required.
- **Recommended uses for product:** Watch

## Images

![2 X Renata Mercury Free Swiss Made Silver 1.55V -SR936SW-394 Battery - Image 1](https://m.media-amazon.com/images/I/71P74hRvrQL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Recommend
*by L***J on 31 October 2025*

Has lasted longer than my original watch battery so seems to have good quality and for a fraction of the price. It’s a win win

### ⭐⭐⭐⭐⭐ Watch Battery.
*by D***L on 26 January 2026*

Good price and works very well. Item arrived as ordered and even was in my hands a couple of days earlier than suggested. It’s very easy to change a watch battery and the saving of approx £8-£10 is well worth the postal wait.

### ⭐⭐⭐⭐ Good batteries
*by R***E on 3 January 2026*

As advertised. Arrived promptly. Worked when instslled

## Frequently Bought Together

- 2 X Renata Mercury Free Swiss Made Silver 1.55V -SR936SW-394 Battery
- SR927SW Set of Two 395 Renata Watch Batteries
- 2 X Renata Battery 371 SR920SW SILVER 1.55V SWISS MADE

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**Shop now:** [https://www.desertcart.ie/products/153355213-2-x-renata-mercury-free-swiss-made-silver-1-55v](https://www.desertcart.ie/products/153355213-2-x-renata-mercury-free-swiss-made-silver-1-55v)

---

*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-02*