Renata 337 Silver Oxide Button Cell 1.55 V, 8 mAh, 4.8 x 1.6 mm, Mercury-Free (SR416SW) | Pack of 1 X704486

Watchmakers and hobbyists who service small quartz timepieces rely on the Renata 337 button cell for stable, long-lasting power. This Swiss-made silver oxide battery delivers a nominal 1.55 V with a capacity of 8 mAh, making it a dependable choice for watches, calculators, and other compact electronic devices.

Key specifications

• Battery type: Button cell, silver oxide chemistry
• Nominal voltage: 1.55 V
• Capacity: 8 mAh
• IEC designation: SR416SW
• Renata type number: 337
• Diameter: 4.8 mm
• Height: 1.6 mm
• Weight per battery: 0.2 g
• Operating temperature range: -10°C to +60°C
• Shelf life: up to 5 years
• Mercury-free
• Terminal type: flat top
• Rechargeable: no
• Equivalent models: V337, D337, SB-A5, 280-75
• Pack quantity: 1 battery

Why choose it

Silver oxide chemistry provides a very stable discharge voltage, which is critical for accurate timekeeping in quartz watches. The mercury-free formulation reduces environmental impact without compromising performance.

Ideal use cases

• Quartz wristwatches requiring SR416SW cells
• Small calculators and electronic organizers
• Miniature medical devices and sensors
• Laser pointers and LED micro-lights

Good to know

Store unused batteries in a cool, dry place to maximize shelf life. The flat top design fits most battery compartments designed for 337 cells.