Duracell 389/390 Silver Oxide Button Battery, 1 Count Pack, 389/390 1.5 Volt Battery, Long-Lasting for Watches, Medical Devices, Calculators, and More

Customers find the battery to be of excellent quality, particularly suitable for calculators, and appreciate that it fits well in their devices. They consider it good value for money. However, the battery life receives mixed feedback - while some report it works great for two weeks, others mention it doesn't last even one game.