All electronics ship with US style plugs.You may need a voltage converter or a plug adapter.
Special Features
5Pcs Anti Reverse Connection Power Protection Board For Battery Charging Ideal Diode Module Prevent Reverse Polarity
Input voltage: DC3-30V
Output voltage: the difference with the input voltage, maximum 0.2V
Output current: 4A, MAX, peak current maximum 6A
Dimensions: length 24mm, width 16mm
Note: You need to connect the battery to the reverse connection protection board first. The polarity can not be connected wrong. The board is connected to the normal battery polarity in the output. The input is connected to the correct polarity. The input is connected to the wrong polarity and it will not be charged.