---
product_id: 274463491
title: "1.55 Volt Watch Battery 394 Replaces SR936SW"
brand: "renata"
price: "R$69"
currency: BRL
in_stock: true
reviews_count: 8
category: "Renata"
url: https://www.desertcart.com.br/products/274463491-1-55-volt-watch-battery-394-replaces-sr936sw
store_origin: BR
region: Brazil
---

# 1.55V stable power precise 9.5mm x 3.6mm fit 84mAh optimized capacity 1.55 Volt Watch Battery 394 Replaces SR936SW

**Brand:** renata
**Price:** R$69
**Availability:** ✅ In Stock

## Summary

> ⏱️ Power your moments with precision and longevity!

## Quick Answers

- **What is this?** 1.55 Volt Watch Battery 394 Replaces SR936SW by renata
- **How much does it cost?** R$69 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/274463491-1-55-volt-watch-battery-394-replaces-sr936sw)

## 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

- • **Compact Yet Mighty:** Ultra-compact design powers your watch discreetly while maximizing battery life.
- • **Trusted by Watchmakers:** Renata’s expertise guarantees premium quality and dimensional stability for your timepiece.
- • **Power that Keeps You On Time:** Reliable 1.55V voltage ensures your watch never misses a beat.
- • **Precision Fit for Top Brands:** Exact 9.5mm diameter and 3.6mm height designed to replace SR936SW and compatible with Swatch, Fossil, Timex, Casio.
- • **Optimized Capacity for Long Life:** 84mAh silver oxide battery delivers extended performance without frequent replacements.

## Overview

The Renata 1.55 Volt Watch Battery 394 is a high-quality silver oxide power source with 84mAh capacity, designed for precision fit and long-lasting performance. Compatible with popular watch brands like Swatch, Fossil, Timex, and Casio, it replaces multiple battery models including SR936SW, ensuring reliable and stable voltage for your timepiece.

## Description

RENATA's comprehensive assortment of over 40 different watch battery types, mostly of the silver oxide 1.55 V system, offers a suitable power source for any electronic device requiring an ultra-compact, long lasting, low voltage power source.Specifications: Battery Capacity: 84.0mAh. Battery Technology: Silver Oxide (Single Use). Diameter: 9.5mm. Height: 3.6mm. Voltage: 1.55V. Replaces: 280-17, 394, 625, AG9, D394, GP94, S26, SB-A4, SR45, SR936SW, V394.

Review: Good - Fitting perfectly and works fine
Review: It is working - Good product

## Features

- These batteries are commonly required for Swatch Fossil Timex and Casio popular brands
- Renata has first hand knowledge of what a high quality watch battery must stand for
- Optimized volume/capacity ratio
- Dimensional precision and stability

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00478MORS |
| Best Sellers Rank | #6,231 in Electronics ( See Top 100 in Electronics ) #208 in Disposable Household Batteries |
| Department | unisex |
| Item model number | 394 |
| Manufacturer | Renata |
| Package Dimensions | 8.71 x 3.71 x 1.19 cm; 5 g |

## Product Details

- **Battery capacity:** 1.55
- **Battery cell composition:** Silver Oxide
- **Brand:** Renata
- **Number of batteries:** 1 LR44 batteries required.
- **Recommended uses for product:** Watch

## Images

![1.55 Volt Watch Battery 394 Replaces SR936SW - Image 1](https://m.media-amazon.com/images/I/61UMDha-HnL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good
*by A***Y on 12 September 2025*

Fitting perfectly and works fine

### ⭐⭐⭐⭐⭐ It is working
*by A***R on 14 December 2022*

Good product

### ⭐⭐⭐ a bit expensive
*by R***E on 12 December 2022*

For just 1 pc it's expensive.

## Frequently Bought Together

- 1.55 Volt Watch Battery 394 Replaces SR936SW
- Duracell 395/399 Silver Oxide Button Battery, 1 Count Pack, 395/399 1.5 Volt Battery, Long-Lasting for Watches, Medical Devices, Calculators, and More

---

## 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.com.br/products/274463491-1-55-volt-watch-battery-394-replaces-sr936sw](https://www.desertcart.com.br/products/274463491-1-55-volt-watch-battery-394-replaces-sr936sw)

---

*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-01-27*