The best thing about solar powerbank is that you don’t need to plug in and just put it under sun light & it will soak the sun light and start producing electricity. You don’t need to worry about the environment to use solar portable energy. For travelers this is the best option to charge their smart phones & gadgets all the time. Unfortunately, sometimes you might have also suffer from low battery incidents like when you are going to capture the best moment of your life with your love ones but you did not have sufficient battery. So portable solar power banks are the best option to charge your smart phones & gadgets all the time & make your tour special.