Description
Leader Long Lasting Power Watch Batteries 377 provide precise 1.5V power specifically designed for watches, calculators, and small electronic devices. These silver oxide button cell batteries deliver stable voltage output throughout their entire lifespan, ensuring accurate timekeeping and reliable device operation. The 377 size (SR626SW equivalent) is one of the most commonly used watch battery formats, making this 4-pack an essential household supply. Leader’s advanced manufacturing process creates batteries with excellent shelf life and consistent performance across temperature variations. These mercury-free batteries meet international environmental standards while providing superior power density in a compact form factor. The stainless steel construction resists corrosion and provides dependable contact with device terminals. Perfect for analog and digital watches, fitness trackers, small calculators, key fobs, and medical devices. Each battery maintains voltage stability until end of life, preventing the gradual slowdown common with inferior batteries. Trust Leader’s commitment to quality and affordability for all your precision timing needs.
Suggested Use
Remove old battery noting correct polarity orientation. Insert new 377 battery with positive (+) side facing up unless device specifies otherwise. Ensure proper contact with device terminals. Replace immediately when device shows low battery indicators or performance decreases. Store unused batteries in original packaging.
Ingredients
| Ingredient | Amount | Purpose |
|---|---|---|
| Silver Oxide | Primary component | Cathode material for stable voltage output |
| Zinc | Primary component | Anode material for electrochemical reaction |
| Potassium Hydroxide | Electrolyte | Ionic conductor for current flow |
| Stainless Steel | Casing | Protective housing and electrical contact |
Other Ingredients
Separator material to prevent internal shorts, gasket sealing compound for leak prevention, and conductive carbon additives for enhanced electron transfer efficiency within the compact button cell design.
Warnings
• Keep away from children – swallowing can cause serious internal burns
• Do not disassemble, crush, or expose to excessive heat
• Replace all batteries at the same time in multi-battery devices
• Do not short circuit terminals
• Dispose of according to local battery recycling programs
Disclaimer
While Wellnessbetter strives to ensure the accuracy of its product images and information, some manufacturing changes to packaging and/or ingredients may be pending update on our site. Although items may occasionally ship with alternate packaging, freshness is always guaranteed. We recommend that you read labels, warnings and directions of all products before use and not rely solely on the information provided by us.
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