Voltaic Solar Bag Amp Charger - Silver
I have this for over a year and purchased a second one. I have the charcoal one and now I got a silver one. I would recommend a silver one over charcoal. Looks geeky. It is great for charging those ever draining smartphones/iphones. Just let it charge the battery in Voltaic during long drives and later if you are parked you can charge the phones. Also while traveling it is very useful especially airports/international travels where there is power cuts/irregular electricity supply. I am very pleased with thi