The Base Station comes with a short power cord that you can plug into mains power. The plug supplied matches with the type used in the country used for your shipping address.
The Base Station uses 5 V DC from a standard 2 Amp USB power adapter similar to most Android phone and tablet fast chargers.
The cord that the Base Station uses has a USB plug on one end and a 2.5mm x 0.8mm male plug on the other end.
If you've misplaced your Base Station power cord then you can purchase a new power cord for your Base Station here.