5X Sony SR621SW 364 AG1 SILVER OXIDE Coin WATCH BATTERY 1.55V EXP 2030 For Sale

🔋 Sony SR621SW (364) 1.55V Silver Oxide Button Battery – Genuine – Long Shelf Life – Fresh Stock

Power your precision devices and timepieces with the reliable, long-lasting Sony SR621SW (364) button cell battery. Ideal for analog watches, small electronics, and precision tools, this compact silver oxide battery delivers stable voltage and dependable performance.

✅ 100% Genuine Sony – No rewraps or off-brand substitutes
✅ Fresh Stock – Long expiry (2030 or later)
✅ Mercury-Free & Eco-Friendly
✅ Perfect for watches, calculators, and more

✅Sony is a trusted brand known for long-lasting,leak-resistant batteries.

✅ Product Specifications

• Brand: Sony

• Model: SR621SW

• Common Name: 364

• Chemistry: Silver Oxide (Non-rechargeable)

• Voltage: 1.55V

• Capacity: Approx. 15–18 mAh

• Diameter: 6.8 mm

• Height (Thickness): 2.1 mm

• Shelf Life: 5–7 years (see below)

• Mercury-Free: Yes

• Packaging: Factory-sealed blister pack

🕒 What Does "Shelf Life" Mean?

Shelf life refers to how long a battery can be stored unused and unopened without significantly losing power.

For Sony SR621SW:

• 🗓 Shelf life: 5–7 years in sealed packaging

• 🧊 Store in a cool, dry environment

• 🔋 Retains over 90% charge when stored properly

• 💡 Once installed in a device, the battery begins to discharge

Perfect for spares, repair kits, or long-term storage!

🔧 Cross-Reference / Equivalent Battery Names

Sony SR621SW (364) is equivalent to the following battery models:

• 364, SR621SW, SR60, D364, V364, GP364

• SB-AG, 280-34, SR621, LR621 (alkaline, not recommended for watches)

🛑 Use silver oxide types (like SR621SW) for watches—they last longer and provide more stable voltage than alkaline equivalents.

⌚ Common Uses & Devices

• ✅ Analog & Digital Wristwatches (Low Drain)

• ✅ Compact Medical Devices (e.g. glucometers, thermometers)

• ✅ Small Calculators

• ✅ Fitness trackers & pedometers

• ✅ Remote controls & key fobs

• ✅ Toys, jewelry watches, and mini flashlights

⌚ Watch Brands That Use SR621SW (364):

• Casio:

  • Casio LQ-139, MQ-24

  • Baby-G (select models)

  • A159 Series

• Seiko:

  • Seiko Quartz Dress models (ladies' & unisex)

• Citizen:

  • Citizen Eco-Drive (as backup)

  • Citizen Quartz Analog

• Other brands:

  • Fossil, Swatch, Timex, Geneva, Armitron, Skagen – in slimline or fashion watches

💡 Always check the old battery or device manual. If it reads SR621SW or 364, this is your replacement.

🛒 Why Buy From Us?

• ✅ 100% Genuine Sony Batteries

• ✅ Fresh Stock – Full Shelf Life (2030 or later)

• ✅ Fast Shipping – Dispatched Within 24~48 Hours

• ✅ Secure Packaging – No Loose or Damaged Batteries

• ✅ Multi-Pack Discounts Price

• ✅ Excellent Support & Hassle-Free Returns

📦 Available Quantities:

• 📦 5 PCS total Sony SR621SW

🚚 Shipping & Returns

• 🚀 Fast dispatch (same or next business day)

• 📬 Standard shipping 3~5 days

• 🔁 30-Day Easy Returns(If the package hadn't been opened) – Buy with Confidence!

🔋 Keep Your Watch Ticking and Devices Running with Sony SR621SW

🛒 Click “Add to Cart” now and enjoy premium Sony performance, long life, and trusted customer service!