... charge laptop , camcorder, mobile phone, iPOD, iPhone, PSP, PMP, MP3, MP4,DVR, portable DVD, pocket mini projector, PDA, walkie talkie ... C-50°C Humidity: ≤85% 13. Protection functions: Against over charge: Yes; Against over discharge : Yes; Short circuit and over current: ... . Portable mobile power charging laptop , camcorder, mobile phone, MP3, MP4,DVR, portable DVD, pocket mini projector, PDA, walkie