TERATEK Computer is specialized in computer's peripheral products such as Tablet device and Pointing control device and Accessories ...etc. Except all these issue, We were also an assembly house when we established this company in 2000. But I had reorganized our company's products in 2001. It had increased R&D term and sales team to continue service customer nowadays. We design at electronic products and environmental protected products.For example, Power Bank & Notebook Charger Battery and Ozone-Ionization Air Purifier. I hope you may study our products which can understand more details about it.   We also have CEM manufacturer in Mainland China when our production capacity is full in Taiwan.There are 3000-4000 persons of employees in China. Their register name is Jing Mold Electronics in Shenzhen.Nice quality and service are sought target at production. I believe our service will bring nice perception with you in future.   Following Portable device is popular recently whether it was pointed in computer or electronics or communication fields.They need to have a Portable power when user stay outdoors.Our power bank can supported these convenience for user.Such as Digital camera , Camera record , DVD player..etc. Power bank is exactly backup battery. You will avoid some issue at energy resource.It will be helpful to reduce stock risk and extend market for you. In fact,Power Energy is a controvertible problem at portable power. Because it is not with rationalistic standard for each kinds of products. We only stand on maximal compatibility to define it. Our power bank have no compatible problem.User only care about exchange connector issue and input condition. It is almost perfect products for everybody. You may visit our web-site for reference. Looking forwar to hear your reply as soon. Thanks!