5 X PC SONY SR927SW 399 395 1.55V Coin Battery for Watch Exp Date 12-2030+

🔋 Sony SR927SW (395) 1.55V Silver Oxide Watch Battery – Genuine – Long Shelf Life – Fresh Stock

Power your precision timepieces and compact electronics with the Sony SR927SW (395) button battery — a premium-quality, mercury-free silver oxide cell designed for stable voltage, long-lasting performance, and reliable operation in delicate electronics.

✅ 100% Genuine Sony – No generics or rewraps

✅ Fresh stock – Long expiry (2030 or newer)

✅ Trusted worldwide by watchmakers and technicians ✅ Ideal for watches, thermometers, tools & more

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

✅ Product Specifications

• Brand: Sony
• Model: SR927SW
• Common Name: 395
• IEC Code: SR57
• Type: Silver Oxide (non-rechargeable)
• Voltage: 1.55V
• Capacity: ~55–60 mAh
• Diameter: 9.5 mm
• Height: 2.7 mm
• Shelf Life: 5–7 years (see below)
• Packaging: Blister sealed (not loose)
• Mercury-Free: Yes

🕒 What Is “Shelf Life”?

Shelf life refers to how long a battery can remain unused in its packaging while still retaining most of its original charge.

For Sony SR927SW:

• Shelf life: 5–7 years if stored in a cool, dry place
• Maintains over 90% power when sealed and stored properly
• Starts to discharge only once installed in a device

💡 Perfect for storing spares or using in service/repair kits.

🔧 Cross-Reference / Equivalent Battery Models

Sony SR927SW (395) is equivalent to:

• 395, SR927SW, SR57, D395, V395, GP395
• SB-AP, 280-44, RW315

🛑 Not to be confused with SR927W (399) — which is a high-drain version.

⌚ Common Uses & Compatible Devices

• ✅ Analog quartz watches (low drain)
• ✅ Digital watches
• ✅ Small calculators
• ✅ Thermometers
• ✅ Laser pointers
• ✅ Remote controls
• ✅ Jewelry and fashion watches
• ✅ Compact electronics with low energy draw

⌚ Watch Brands & Models That Use SR927SW:

This battery fits many quartz movement watches, including models from:

• Casio:
• Casio Edifice series
• Casio Wave Ceptor (select analog models)
• …