When you go to hike of outdoor,your mobile phone power off,maybe you will be very fear,cause you have loss the contact from your friends or family at that time,you should inform them you are safe,but now,you can't.
So we can supply you a funcational product,solar charger,let me introduce it for you:
This kind of solar charger power big than the traditional solar charger,can hung on your any kind of bags you have,also can hung on anywhere,if the sunshine enough.
Portable solar charger,minly used for travel,ride bicycle journeying,ensure the electric power enough.
Charge for headlamps,flashlights,lanterns,mobile phone,intercoms,GPS,digital cameras,mp3,mp4,laptop computer etc;
So this kind of product more practical for peoples.
If you are interested in the solar charger,please contact me,I will give you more details: