之前看到有人介绍电容式应急电源，感觉挺好的。

[img]http://img.nga.178.com/attachments/mon_201209/14/-47218_5052bc521c04b.png[/img][img]http://img.nga.178.com/attachments/mon_201209/14/-47218_5052bc521c04b.png[/img][img]http://img.nga.178.com/attachments/mon_201209/14/-47218_5052bc521c04b.png[/img]就是价格有点感人。