PQI Smart i-Charger PD features Type-C Power Delivery (PD) quick-charge capability. The Type-C interface can supply up to a maximum output of 29W while the 15W, 5V/ 3A output is the equivalent of 3x that of an iPhone (5W). When you're almost out of battery, charge it with PQI Smart i-Charger and in 30 minutes, your battery status should be close to 50% charged.