---
product_id: 153355213
title: "2 X Renata Mercury Free Swiss Made Silver 1.55V -SR936SW-394 Battery"
brand: "renata"
price: "¥1278"
currency: JPY
in_stock: true
reviews_count: 13
category: "Renata"
url: https://www.desertcart.jp/products/153355213-2-x-renata-mercury-free-swiss-made-silver-1-55v
store_origin: JP
region: Japan
---

# 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:** ¥1278
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your moments with Swiss precision and eco-friendly confidence!

## 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?** ¥1278 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/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

- • **Eco-Conscious Power:** Mercury-free design ensures safe, environmentally responsible use.
- • **Value & Convenience:** Two-pack offering great savings with fast, reliable delivery.
- • **Compact & Lightweight:** Slim 5.1 x 2.6 x 0.7 cm size and just 4.54g—perfect for delicate devices.
- • **Reliable Swiss Precision:** Engineered in Switzerland for consistent, long-lasting performance.
- • **Optimal Voltage Stability:** Delivers a steady 1.55V to keep your watch ticking flawlessly.

## Overview

The Renata SR936SW-394 is a mercury-free, Swiss-made silver oxide button cell battery delivering a stable 1.55V output. Compact and lightweight, it’s designed for reliable, long-lasting power in watches and small electronics, combining eco-conscious manufacturing with premium Swiss quality.

## Description

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

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.
Review: It’s a watch battery. It powers my watch - Nothing else to say really.

## Features

- Renata Button Cell Silver Oxide Battery 394

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B010KG6YKI |
| Best Sellers Rank | 547 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 125 in Disposable Household Batteries |
| Guaranteed software updates until | unknown |
| Item model number | 394 |
| Manufacturer | Renata |
| Package Dimensions | 5.1 x 2.6 x 0.7 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

### ⭐⭐⭐⭐⭐ 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.

### ⭐⭐⭐⭐⭐ It’s a watch battery. It powers my watch
*by H***N on 6 January 2026*

Nothing else to say really.

### ⭐⭐⭐⭐ 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

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

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

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-23*