... .5 v 600 ma; (the use of impulsive way, automatic according to digital products of the battery power consumption status, adjust the ... battery to 60 minutes, can get about 60-150 minutes of talk time;To MP3 or MP4 charge 30 minutes, can ... MP3, MP4, mobile phones, digital cameras, digital camera,3. The United States imported by polycrystalline silicon solar battery single color, the light ...