SR44 303 357 SR44W silver  oxide watch battery(Eunicell brand)

1.included 10% silver
2.environmental protection product
3.best customer service

petitive price

5.long life durability, leakage resistance good

Great for laser pointers, calculators, hearing aids, blood glucose meters, insulin pumps, toys, cameras, and all other electronic devices that require this size battery. Silver oxide batteries will perform better in your devices and will last longer than alkaline batteries.