Links

Delta PLC: http://www.deltaplc.com

Battery Industries:
Duracell:  http://www.duracell.com
Energizer: http://www.energizer.com
Eveready South Africa: http://www.eveready.co.za
Panasonic: http://www.panasonic-batteries.be
Spectrum: http://www.spectrumbrands.com

Manganese:
International Manganese Institute: http://www.manganese.org
Mining Weekly: http://www.miningweekly.com/page/manganese