Comes with EU plug The Shimano SM-BCR1 External Battery Charger is a high-quality charging component designed for bicycle Di2 systems. Made by the reputable brand Shimano in Japan, this lithium ion battery charger offers a capacity of 11.6ah and a voltage of 8.4 V. The sleek black design makes it a stylish addition to any bike setup, and the set includes essential components such as the derailleur, frame, crankset, and cables. This external battery charger is lightweight at 100-199g and compact with dimensions of 3.7 inches in width, making it convenient for use on the go.