Panasonic Alkaline D batteries

Panasonic batteries are a globally recognized product from one of Japan's most historic electronics conglomerates. Originally founded by Konosuke Matsushita in 1918, the brand has grown from making lamp sockets to becoming a leader in energy solutions and electronics.

Today, Panasonic Holdings Corporation, headquartered in Osaka, Japan, remains the ultimate owner. Their battery manufacturing is highly diversified across several global locations including Japan, Thailand, Belgium, and Poland, depending on the specific battery chemistry and target market. The D-size alkaline batteries shown are a staple for high-drain devices and represent the brand's long-standing reputation for reliability and quality engineering in the consumer energy sector.