TPOS is one of the most influential brand of laptop and mobile internet accessories in China. Established in 2007, TPOS is recognized and welcomed by more and more customers. We are dedicated to the design, research and manufacture of eco-friendly portable battery packs and other new energy portable devices. We have professional R&D and management teams from li-on battery filed, we insist on the philosophy of low carbon, green power and environmentally friendly and try our best to provide ...