Keep your rechargeable LEGO® devices charged and ready to go with the LEGO Powered Up USB Power Adapter. Just plug the adapter into the nearest electrical outlet and connect it to your device using a USB-A charging cable (not included). 5V DC USB power adapter For use with rechargeable LEGO® devices Requires a USB-A charging cable (not included) Measures over 2 in. (5 cm) high, 1 in. (3 cm) wide and 2 in. (5 cm) deep