... MP3, MP4 etc.Time-keeping for laptop Static stand. Portable Solar Charger DetailsWith this solar charger, you can charge most of cell phones ... , more safe, superior compatibility, high capacity, this solar power charger will be the best one for business trip, outdoor operations ... mobile phone: 2 - 3 hoursTime-keeping for laptop Static stand-by: 3-4 hoursCharging time for the lithium battery inside ...