As the largest battery distributor and assembler in the western United States, Battery Specialties can offer you the flexibility and selection from over 20 of the world's largest brand name battery manufacturers. We are also an Authorized Assembler for all these brands. Panasonic Electrochem Energizer Power Sonic Sanyo Energy Saft Eagle-Pitcher Hawker Energy Duracell Varta Ray-O-Vac FDK We also provide deep engineering expertise for developing custom power applications to meet harsh and/or demanding circumstances. From first article prototypes to full production and inventory management we are you single source provider.