DUBLIN--(BUSINESS WIRE)--Research and Markets (http://www.researchandmarkets.com/research/xdxghq/power_banks) has announced the addition of the "Power Banks Market (Portable Power Banks, Battery Cases, Solar Power Banks) - Global Industry Analysis, Size, Share, Growth, Trends and Forecast 2014 - 2022" report to their offering. The research report estimates power banks market in terms of revenue (US$ billion) and volume (Mn units) for years 2012 and 2013, along with market forecast for the perio