... 3.Long work hour, 33000mah 4.charge laptop,pda,cellphone,camera,dvr,mp3... Notebook BatteryThe products is a commercial portable power with ... high capacity build-in lithium battery, it could be used as back ... as customer's demand in our factory ) , it could charge laptop , camcorder, mobile phone, iPOD, iPhone, PSP, PMP, MP3, MP4, ...