The latest USB Power Delivery (PD) specification, Extended Power Range (EPR) USB PD 3.1, increases the capacity of a USB Type-C cable to 240 W (48 V at 5 A), up from 100 W (20 V at 5 A) for the previous Standard Power Range (SPR) USB PD 3.0 specification.
Both EPR and SPR PD offer significant improvements from the original USB Type-C specification’s 15-W (5 V at 3 A) power level, allowing for the rapid recharge of battery-powered products ranging from Bluetooth speakers to power tools. In addition, EPR and SPR enable such products to supply power to connected devices using the same USB Type-C port.