The main application of mini power bank is for emergency, for example, when we use the phone, and use a digital camera to take pictures, when playing PSP game in full swing, PDA is working and so on, all of a sudden power outage makes people feel sad, and the mobile power market arrive as a result of this need in time. With the growing number of portable electronic products, the mobile power has extended to digital products mobile power, from mobile phone charging power, and these products include: laptops, tablet PCs, digital cameras, camcorders, portable DVD, PDA, MP3/MP4, GPS, thermal equipment, healthcare equipment and so on.
In this period, mobile power technology has made progress, from the view of components, the first one is battery: from Single-core electromechanical to NiMH battery and then lithium battery, polymer battery, with a capacity 20000mAh, which is a large-capacity mobile power. Now we commonly use polymer lithium-ion battery, which is widely used in 5V devices.
From the point of view of function, the security and intelligence have obtained development. The current portable external battery charger must have a popular demand: short circuit, overcharge, over discharge, constant current, constant voltage and other protective measures. Intelligent mobile power is the high-performance power management technology allows mobile power can be convenient parameter display and practical application. For example: smart battery indicator is supported by a power management system.
After the development of the mobile power energy supply technologies, it can also support the development of mobile Internet, and currently there are mainly thin-film battery technologies, piezoelectric materials technology, wireless charging technology in this area. The inherent logic wireless charging mobile power market growth is: no matter how excellent the performance is, it cannot be effectively applied when the phone, tablet PC or smart products cannot stay in power , without the power cable.
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