---
product_id: 4218887
title: "Renata 394 Button Cell watch battery"
brand: "renata"
price: "€ 7.44"
currency: EUR
in_stock: true
reviews_count: 13
category: "Renata"
url: https://www.desertcart.pt/products/4218887-renata-394-button-cell-watch-battery
store_origin: PT
region: Portugal
---

# Exact dimensional fit 1.55V stable power Precise 0.27g weight Renata 394 Button Cell watch battery

**Brand:** renata
**Price:** € 7.44
**Availability:** ✅ In Stock

## Summary

> ⏱️ Power your moments with precision and style!

## Quick Answers

- **What is this?** Renata 394 Button Cell watch battery by renata
- **How much does it cost?** € 7.44 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/4218887-renata-394-button-cell-watch-battery)

## 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

- • **Optimized Capacity:** Balanced volume-to-capacity ratio delivers long-lasting performance without bulk.
- • **Reliable Power Boost:** 1.55 volts of consistent energy to keep your watch ticking flawlessly.
- • **Lightweight & Compact:** At just 0.27g, it’s the invisible powerhouse your watch deserves.
- • **Precision Engineering:** Dimensional accuracy ensures a perfect fit for top brands like Swatch, Fossil, Timex, and Casio.
- • **Trusted Brand Quality:** Renata’s expertise guarantees premium silver oxide chemistry for superior reliability.

## Overview

The Renata 394 Button Cell battery offers 1.55 volts of stable silver oxide power, engineered with exact dimensions and optimized capacity to fit popular watch brands like Swatch, Fossil, Timex, and Casio. Lightweight and reliable, it ensures your timepiece runs smoothly with Renata’s trusted quality.

## Description

desertcart.com: Renata 394 Button Cell watch battery : Health & Household

Review: Right size and right charge! - Right size and right charge! These did the job and kept on going.
Review: Lasts over 2 years - Had to buy a second battery 2 years later. I have an omega swatch as a my daily wear and works perfectly in that model.

## Features

- This is a #394 (SR936W) Renata watch batteries
- 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 | B001C1G0BO |
| Antenna Location | Watch |
| Battery Capacity | 840 milliamp_hours |
| Battery Cell Composition | Silver Oxide |
| Battery Cell Type | Silver Oxide |
| Battery Weight | 29 g |
| Best Sellers Rank | #76,039 in Health & Household ( See Top 100 in Health & Household ) #464 in Coin & Button Cell Batteries |
| Brand | Renata |
| Customer Reviews | 4.5 out of 5 stars 579 Reviews |
| Item Weight | 0.27 g |
| Manufacturer | Renata |
| Model Name | Watch battery |
| Model Number | 394 |
| Number of Batteries | 1 Product Specific batteries required. |
| Recommended Uses For Product | Watch |
| Reusability | Single Use |
| Unit Count | 1 Count |
| Voltage | 1.55 volts |

## Product Details

- **Battery Capacity:** 840 milliamp_hours
- **Battery Cell Composition:** Silver Oxide
- **Brand:** Renata
- **Number of Batteries:** 1 Product Specific batteries required.
- **Recommended Uses For Product:** Watch

## Images

![Renata 394 Button Cell watch battery - Image 1](https://m.media-amazon.com/images/I/61VB7-UWhsL.jpg)

## Questions & Answers

**Q: Do all of the batteries come in a square blister package, or are they loosely placed in a standard business envelope?**
A: They came in individual packets, but all attached together. You just tear off one packet along the perforated line to get a battery.

**Q: IS THE BATTERY DURABLE**
A: yes very durable has worked great put in in my watch an so far no problems

**Q: Is the battery durable**
A: Yes, 18 months so far.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Right size and right charge!
*by M***. on August 7, 2026*

Right size and right charge! These did the job and kept on going.

### ⭐⭐⭐⭐⭐ Lasts over 2 years
*by J***D on July 26, 2026*

Had to buy a second battery 2 years later. I have an omega swatch as a my daily wear and works perfectly in that model.

### ⭐⭐⭐⭐⭐ Great Watch Battery!
*by N***E on June 30, 2026*

I finally decided to start changing out my watch batteries myself. Why pay $20 plus from a jewelry shop when I can do it myself. I bought the watch repair kit and this battery. It took just a few minutes to replace the battery with this one. Works perfectly! I will be purchasing this battery again!

## Frequently Bought Together

- Renata 394 Button Cell watch battery
- Renata 371 SR920SW Batteries - 1.55V Silver Oxide 371 Watch Battery (2 Count)
- 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

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**Shop now:** [https://www.desertcart.pt/products/4218887-renata-394-button-cell-watch-battery](https://www.desertcart.pt/products/4218887-renata-394-button-cell-watch-battery)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-09-25*