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Min. Order (MOQ)
150 Piece(s)
We are offering usb power bank is a kind of portable emergency charger which combines the function of power supply and charging and it can be used in charging or standby power supply for mobile phones and other digital devices anytime, anywhere. Usually lithium batteries or dry batteries are used as a power storage unit. It is different from the battery in the internal configuration of the product, and it is also called plug-in battery. Generally it is equipped with a variety of power adapters with the characteristics of a large capacity, multi-purpose, small size, long life, safe and reliability. it can offer power supply or standby charging for kinds of digital products, such as mobile phones, mp3, mp4, pda, handheld computers, handheld game consoles anytime and anywhere. The concept of mobile power is also called "plug-in battery", "external battery", "backup battery", "digital charging partner", "the charge stick", "charge treasure"rnwith the rapid development of the global economy and the continuous improvement of people's living standards, there are more and more portable electronic products, such as notebook , tablet pcs, mobile phones, digital cameras, video cameras, portable dvds, pdas, mp3 mp4, gps, thermal equipment, healthcare equipment and so on. They are all operated by the batteries, but the random batteries of these devices cannot meet the time of the normal use of the device because of low battery capacity. While the work peak of these devices appears during the time of business trip or travel and the low battery will appear when you are on the phone, taking photos by digital camera, playing psp game with full enthusiasm or working on pda and so on, and this will make you feel helpless. While you cannot make each of the devices equipped with a backup battery, you not only have to spend a lot of money to buy device batteries but also increase burdens in travel. Therefore, in order to solve this annoying problem, a mobile power supply has been finally developed through continuous research and exploration, and it can solve the power supply problems for many mobile devices, thus completely solve the problem of power shortage to make work and travel carefree.