FREMONT, Calif., Jan. 30, 2018 /PRNewswire/ -- RAVPower, the popular charging brand, have just launched their 2-in-1 charging device that is power bank and wall charger in one. Thanks to RAVPower's inventive engineering, you can now unplug your wall charger from your outlet at home, collapse the plug, and take it with you as a fully functioning FREMONT, Calif., Jan. 30, 2018 /PRNewswire/ -- RAVPower, the popular charging brand, have just launched their 2-in-1 charging device that is power bank and wall charger in one. Thanks to RAVPower's inventive engineering, you can now unplug your wall charger from your outlet at home, collapse the plug, and take it with you as a fully functioning