The Fujitsu High Power range of alkaline batteries are engineered in Japan and feature: The highest anti-leakage reliability thanks to the latest anti-leakage and anti-corrosion technology. High performance across a range of devices. Anti-leakage protection for up to 10 years storage. The Fujitsu brand of consumer battery products manufactured by Fujitsu subsidiary FDK. The formerly Sanyo branded ranges of consumer alkaline, NiMH ‘eneloop’ and lithium dry cell batteries remain the same products from the same factories and have been rebranded Fujitsu to replace the previously stocked Sanyo brand equivalents in our consumer battery line up. The FDK range of industrial NiMH & Lithium batteries will also replace the previous Sanyo branded products. Model numbers remain the same. The Sanyo Twicell (NiMH) and Lithium battery factories were transferred from Sanyo to FDK prior to the acquisition of Sanyo by Panasonic in 2010. Fujitsu Primary Battery Manufacturing Process Fujitsu Safety Innovation on Alkaline C & D Cells