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Energizer 357/303 Silver Oxide Button Batteries (3 Pack), 1.5V

Energizer #1 Specialty Battery Brand Zero Mercury, Eco-Conscious Choice
Holds Power Up to 5 Years in Storage
Ideal for Calculators, Watches & Medical Devices
Replaces Multiple Button Cell Sizes: 303/357, SR44SW, 280-03, 280-08, D303/357, SB-A9, SR1154SW, WS14

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Energizer Button Cell Batteries
Product Overview
Designed for reliable power in small devices, Energizer button cell batteries offer long-lasting performance and an eco-friendly mercury-free design.
Core Specifications
Chemistry: Alkaline or Silver Oxide (varies by size)
Voltage: 1.5V (typical for 303/357 and equivalents)
Storage Life: Holds power for up to 5 years in storage
Mercury-Free: Zero mercury composition for environmentally conscious use
Compatibility: Replaces sizes 280-03, 280-08, 303/357, D303/357, SB-A9, SR 1154 SW, SR 44 SW, SR 44SW, SR44SW, WS14
Features & Benefits
Up to 5 years of shelf life ensures readiness when needed
Zero mercury reduces environmental impact
#1 specialty brand of battery for consistent dependability
Use Cases
Ideal for calculators, wristwatches, and medical devices such as glucometers or thermometers

Additional Information
First Listed on Newegg	September 15, 2026

Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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