Duracell Coppertop D Batteries, 8 Count (Pack of 1), D Battery with Long-Lasting Power, All-Purpose Alkaline Battery for Household and Office Devices

Customers find these D batteries to be of excellent quality and long-lasting, with one customer noting their 10-year life span. They work well in various devices, including battery-powered fans and lanterns, and offer good value for money. Customers appreciate their portability, particularly for toys and flashlights, though some report receiving damaged units.