배터리에 관한 열가지 팁

http://icbank.com/data/ICBZone/ICBManagement/semi_tech/%EC%9D%BC%EB%B0%98-%EB%B0%B0%ED%84%B0%EB%A6%AC%EA%B4%80%ED%95%9C(%EC%A0%84%EC%9E%90).html