Fujitsu FDK batteries are designed in Japan. FDK is the only Japanese manufacturer that designs and operates fully automated production lines for batteries to the highest standards and quality. From rechargeable to alkaline and general purpose batteries, Fujitsu Batteries continues to offer the best performance compared to any other battery in its category. * Pre-Charged Ni-MH Rechargeables - The convenient ready-to-use rechargeable for up to 2100 recharges. * High Capacity Ni-MH Rechargeable - The Green Powerpacks. * Universal Alkaline Potency -The potency for everyday life * High Potency Alkaline - ideal for high drain devices. * Premium alkaline power - better performance for all devices. * General Purpose Power - The economical battery for standard applications.