... as customer’s demand in our factory ) , it could charge laptop , camcorder, mobile phone, iPOD, iPhone, PSP, PMP, MP3, MP4,DVR, ... -50°C Humidity: ≤85% 13. Protection functions: Against over charge: Yes; Against over discharge : Yes; Short circuit and over ... know.We are pleased to receive your inquiry.Hope to cooperate with you. Portable mobile power charging laptop , camcorder, mobile phone, MP3, MP4, ...