--- product_id: 4218887 title: "394 Button Cell watch battery" brand: "renata" price: "Bs.69" currency: BOB in_stock: true reviews_count: 13 category: "Renata" url: https://www.desertcart.bo/products/4218887-394-button-cell-watch-battery store_origin: BO region: Bolivia --- # 840mAh long-lasting capacity 1.55V stable power Dimensional precision fit 394 Button Cell watch battery **Brand:** renata **Price:** Bs.69 **Availability:** ✅ In Stock ## Summary > ⏱️ Keep your legacy ticking with Renata’s precision power! ## Quick Answers - **What is this?** 394 Button Cell watch battery by renata - **How much does it cost?** Bs.69 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.bo](https://www.desertcart.bo/products/4218887-394-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 - • **Silver Oxide Chemistry:** Reliable 1.55V output with consistent energy delivery - • **Optimized Power Density:** Maximized capacity-to-size ratio keeps your watch ticking longer - • **Enduring Quality Assurance:** Renata’s legacy of excellence since 2005 keeps your timepiece running smoothly - • **Unmatched Dimensional Stability:** Perfect fit every time, ensuring no battery rattle or misalignment - • **Precision Engineered for Iconic Brands:** Trusted by Swatch, Fossil, Timex & Casio for flawless performance ## Overview The Renata 394 Button Cell battery delivers a precise 1.55V output with an 840mAh capacity, engineered for premium watch brands like Swatch, Fossil, Timex, and Casio. Its silver oxide chemistry ensures stable, long-lasting power, while dimensional precision guarantees a perfect fit, maintaining your watch’s performance and reliability. ## Description Product description Trust your timepiece to the Swiss battery brand that began in the watch industry and has over 50 years of experience powering them. Renata was founded in Switzerland in 1952 to produce mechanical parts for wrist-watches. By the 1970s, its focus shifted to the research and development of high quality silver-oxide cells to power them. Renata is experienced in the end-to-end battery production process. Its modern, highly automated, production plant incorporates an extensive quality testing system. In addition to watch batteries, Renata manufactures lithium cells for consumer electronics. Research, development, production, and quality testing are grouped at Itingen, Switzerland headquarters. Renata is ISO 9001 and ISO 14001 certified by Bureau Veritas (Switzerland, updated Dec. 2020). 100% mercury-free. Dedicated high and low drain for optimal performance. Sophisticated leak-proof sealing technology and high-capacity retention. Fully transparent freshness dating. Convenient peel-off flap for easy removal of batteries. Pre-perforated packaging to easily separate blister packs. Explore our Renata coin cell line-up. Renata Watch Batteries (SR) Developed in cooperation with The Federation of the Swiss Watch Industry, Renata offers its zero-mercury line of silver-oxide batteries in over 30 sizes. These quality batteries are designed to power watches and electronics requiring compact, long-lasting, low-voltage power. Renata is a Swatch Group company alongside recognized Swiss brands that include Swatch, Tissot, Longines, and Omega. Renata Lithium Batteries (CR) Renata offers 3-volt lithium batteries in a wide range of sizes. Laboratory-tested and approved (Dynamis Batterien, Germany, 2019, #UN_017_51), Renata lithium coin cells meet high quality standards to provide you excellent reliability. Use them to provide memory backup, or to power your medical and fitness appliances, measuring equipment and sensors, security devices, entertainment gadgets, remotes, and more. Renata Zinc AIr Batteries Explore our complete line of Renata zinc-air batteries engineered to power both analog and digital devices. Their high constant voltage assures long battery life. Packaged in easy-to-use dial cards, we stock all popular sizes—10, 312, 13, and 675. Renata batteries are precision-made in Switzerland and Germany. Review: Original product. - I usually read the bad reviews before buying but I say, let’s try. Original product, arrived by mail but in good condition. Installed in my watch (Mido) and worked perfectly. I surely buy again from this seller. Review: They sent in big package so be sure not too throw it away - Worked great on ## 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 Grams | | Best Sellers Rank | #68,317 in Health & Household ( See Top 100 in Health & Household ) #398 in Coin & Button Cell Batteries | | Brand | Renata | | Customer Reviews | 4.6 out of 5 stars 548 Reviews | | Item Weight | 0.01 Ounces | | 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 | 1.0 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 ![394 Button Cell watch battery - Image 1](https://m.media-amazon.com/images/I/61VB7-UWhsL.jpg) ![394 Button Cell watch battery - Image 2](https://m.media-amazon.com/images/I/61I+M21WspS.jpg) ![394 Button Cell watch battery - Image 3](https://m.media-amazon.com/images/I/71DzPTuC5wS.jpg) ![394 Button Cell watch battery - Image 4](https://m.media-amazon.com/images/I/51TA2dTcJqS.jpg) ![394 Button Cell watch battery - Image 5](https://m.media-amazon.com/images/I/61UFtGTndsS.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 ### ⭐⭐⭐⭐⭐ Original product. *by G***O on September 4, 2025* I usually read the bad reviews before buying but I say, let’s try. Original product, arrived by mail but in good condition. Installed in my watch (Mido) and worked perfectly. I surely buy again from this seller. ### ⭐⭐⭐⭐⭐ They sent in big package so be sure not too throw it away *by J***Y on March 3, 2026* Worked great on ### ⭐⭐⭐⭐⭐ Good quality product *by S***D on April 5, 2026* Easy to install. ## 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 --- ## 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.bo/products/4218887-394-button-cell-watch-battery](https://www.desertcart.bo/products/4218887-394-button-cell-watch-battery) --- *Product available on Desertcart Bolivia* *Store origin: BO* *Last updated: 2026-05-17*