http://dennou.stakasaki.net/xiedai03_battery-j.html

http://presence.blog.so-net.ne.jp/2009-04-19

http://degiphoto.cocolog-nifty.com/d50_memo/

http://www20.atwiki.jp/ideapad/pages/12.html

http://blog.livedoor.jp/pasocompass/archives/51307245.html