Sinuous P228, designed by sinuous designs in USA, is powered by dual replaceable 18650 cells whose max output reaches 228W/50A. The application of plated USB ports contact makes it possible to realize 2A quick charge. And the separate battery power can be detected accurately through the upgradable firmware. Moreover, with the help of RC (reverse charging) adapter, Sinuous P228 can serve as a power bank to charge other electronic devices. The Elabo with retractable top filling solution and innovative childproof lock system can perfectly fit the Sinuous P228.