(Eg, if your device needs 5.5V, you can choose 5V or 6V). Output Current: 2.5A Max, compatible with 500mA, 1A, 1.5A. USB Output: 5V==2.1A Max. On-line LED power indicator. Connect the correct adapter plug Select a suitable plug and then insert into the DC cable end, make sure it's firmly attached to the power port of your device.
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