Renata 377 Silver Oxide Button Cell Battery 10-Pack (X704434)

With a stable 1.55 V output and 28 mAh capacity, this mercury-free silver oxide cell keeps watches and precision instruments running reliably for up to five years in storage.

Overview

The Renata 377 is a high-performance silver oxide button cell engineered for consistent voltage and long shelf life. Each pack contains 10 individual batteries, ideal for watchmakers, jewelers, and service technicians who need dependable power on hand.

What stands out

• Mercury-free silver oxide chemistry for safe disposal and reduced environmental impact.
• Compact 6.8 mm diameter × 2.6 mm height fits standard 377/SR626SW compartments.
• Wide operating temperature range from -10°C to +60°C for dependable performance in varied conditions.
• Long shelf life of up to 5 years, making bulk stocking practical.

Technical details

• Battery type: Button Cell
• Battery chemistry: Silver Oxide
• Battery size code: 377
• IEC reference: SR626SW
• Nominal voltage: 1.55 V
• Nominal capacity: 28 mAh
• Diameter: 6.8 mm
• Height: 2.6 mm
• Pack quantity: 10 batteries
• Mercury content: Mercury Free
• Rechargeable: No (Primary Cell)
• Primary application: Watches
• Alternative designations: SR626SW, SR66, V377, D377, 606, BA, 280-39
• Shelf life: Long (up to 5 years)
• Operating temperature range: -10°C to +60°C

Our verdict

A trusted Swiss-made power source for timekeeping and small electronics, delivering consistent voltage and long storage life in a mercury-free design.