---
product_id: 112803625
title: "379 Button Cell Silver Oxide Sr521sw Watch Battery (1 Pack of 5 Batteries)"
brand: "loopacell"
price: "37 zł"
currency: PLN
in_stock: true
reviews_count: 8
category: "Loopacell"
url: https://www.desertcart.pl/products/112803625-379-button-cell-silver-oxide-sr521sw-watch-battery-1-pack
store_origin: PL
region: Poland
---

# Long Shelf Life Freshness 1.5V Silver Oxide Power Multi-Device Compatibility 379 Button Cell Silver Oxide Sr521sw Watch Battery (1 Pack of 5 Batteries)

**Brand:** loopacell
**Price:** 37 zł
**Availability:** ✅ In Stock

## Summary

> 🔋 Power your essentials with Loopacell — because every second counts!

## Quick Answers

- **What is this?** 379 Button Cell Silver Oxide Sr521sw Watch Battery (1 Pack of 5 Batteries) by loopacell
- **How much does it cost?** 37 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/112803625-379-button-cell-silver-oxide-sr521sw-watch-battery-1-pack)

## Best For

- loopacell enthusiasts

## Why This Product

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

## Key Features

- • **Bulk Pack of 5 Batteries:** Stay prepared and avoid last-minute runs with a convenient multi-pack.
- • **Versatile Multi-Device Use:** Perfect fit for watches, calculators, keyless remotes, and medical devices.
- • **Reliable 1.5V Silver Oxide Power:** Consistent energy output for precision devices like watches and cameras.
- • **Super Fresh & Authentic Packaging:** Guaranteed genuine Loopacell batteries for peak performance every time.
- • **Trusted by Professionals & Tech Enthusiasts:** Highly rated with 4.7 stars from 379 reviews—join the savvy users who never compromise.

## Overview

The LOOPACELL 379 Silver Oxide Button Cell Battery delivers a reliable 1.5V power source designed for precision devices including watches, cameras, calculators, and keyless car remotes. Packaged fresh to ensure authenticity and longevity, this 5-pack offers versatile compatibility with numerous equivalent battery models, making it the go-to choice for professionals and tech-savvy users seeking dependable performance.

## Description

Super fresh genuine Loopacell 379 Silver Oxide 1.5v batteries new packaging that guarantees authenticity, Works for: Laser Pointer Insulin Pumps, Heart Rate Monitor, toys ,Watches, Cameras, Calculators, Car Security Alarm, Keyless Car Remotes, Organizers, Computer Equipment (memory backup battery) CMOS, and all other devices that requires this battery size Equivalent to: SR521SW, SR63, SR521, SB-AC/DC, 280-59, JA, V379, D379, 618, GP379, S521E, 379, LR521, AG0, 379A, 379X, AG0, AG-0, 521A, UC379, SR418SW, SB-AC, 379LD, E379,

Review: Price was right, watch batteries did the job. - I needed a watch battery for a couple watches and the price was right, they were easy to install and I didn't have to go to a jewelry store, which save me time.
Review: Would buy again - Good product and price

## Features

- Loopacell Brand 379 batteries Replaces SR521SW And all Equivalents
- Super Fresh, Top Quality, Works for toys ,Watches, Cameras, Calculators, Car Security Alarm, Keyless Car Remotes, Organizers, Computer Equipment (memory backup battery) CMOS

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B075R38L7P |
| Antenna Location | Calculators,Camera,Car Security Alarm,Keyless Car Remotes,Watch,Watches |
| Battery Cell Composition | Silver Oxide |
| Battery Cell Type | Silver Oxide |
| Best Sellers Rank | #146,317 in Health & Household ( See Top 100 in Health & Household ) #750 in Coin & Button Cell Batteries |
| Brand | LOOPACELL |
| Customer Reviews | 4.7 out of 5 stars 379 Reviews |
| Item Weight | 0.02 Kilograms |
| Manufacturer | Loopacell |
| Recommended Uses For Product | Calculators,Camera,Car Security Alarm,Keyless Car Remotes,Watch,Watches |
| Reusability | Single Use |
| UPC | 608938174963 |
| Unit Count | 5.0 Count |
| Voltage | 1.5 Volts |

## Images

![379 Button Cell Silver Oxide Sr521sw Watch Battery (1 Pack of 5 Batteries) - Image 1](https://m.media-amazon.com/images/I/51jO3tX2WYL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Price was right, watch batteries did the job.
*by N***G on February 12, 2026*

I needed a watch battery for a couple watches and the price was right, they were easy to install and I didn't have to go to a jewelry store, which save me time.

### ⭐⭐⭐⭐⭐ Would buy again
*by A***R on August 19, 2025*

Good product and price

### ⭐⭐⭐⭐⭐ Great value and price.
*by S***S on July 28, 2025*

Great price and value for these battery. Expiration date good and last awhile for my talking birds

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**Shop now:** [https://www.desertcart.pl/products/112803625-379-button-cell-silver-oxide-sr521sw-watch-battery-1-pack](https://www.desertcart.pl/products/112803625-379-button-cell-silver-oxide-sr521sw-watch-battery-1-pack)

---

*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-04-23*