According to the analysis, the average annual growth rate of PowerBank is about 30% in the next five years.
据分析，未来五年移动电源年均增长率在30%左右。
2
PowerBank plays as both power supply and charger in one set, which can charge or support standby power at any time for the phone and other digital devices.
移动电源是一种集供电和充电功能于一体的便携式充电器，可以给手机等数码设备随时随地充电或待机供电。
3
With the popularity of smart phones and tablet PCs, PowerBank shows a huge market demand, and become one of the most important applications of lithium ion batteries, now.