The Oxyride Battery will have 1.5 times the power of current alkaline batteries and last twice as long.
http://story.news.yahoo.com/news?tmpl=story&cid=528&ncid=528&e=3&u=/ap/20041211/ap_on_hi_te/japan_battery
http://story.news.yahoo.com/news?tmpl=story&cid=528&ncid=528&e=3&u=/ap/20041211/ap_on_hi_te/japan_battery