The powerful battery pack of Silicon Power C200 Share is compatible with all devices that can be charged via USB. The 20000 mAh capacity ensures 4-6 full charge cycles in almost every smartphone. The GS15 is equipped with two USB output ports that allow you to charge two devices at the same time, and one microUSB and USB-C port for charging the battery bank itself. Silicon Power battery banks are distinguished by a C-type input. Choosing two inputs means more convenience. In addition, it is sustainable, as the use of C-type ports on devices is on the rise. SmartFOCUS advanced calibration technology stabilizes voltage currents throughout the charging process to maintain maximum charging power. SmartSENSE intuitive and universally compatible charging technology maximizes charging speed and automatic pairing with almost any device. SmartSHIELD provides comprehensive 12-point security protection. At the touch of a button, the indicator provides information on remaining battery power and wakes up Apple iPhones and iPads.