This Qi-compatible charging pad supports Qi-enabled devices Supports 5V 2A and high power 9V 1.67A input (requires QC2 or QC3 charger). Features trickle charge with automatically power turn off after fully charged to prevent overcharging. Features temperature control, and over voltage and over current protection. Premium aluminium alloy frame with non slip charging surface to keep your phone in place while charging. Compact and portable.