Support Max 2.1A Current- It will choose the best current for charging your devices .
1.The charging current will range from 0-2.1A but less than 2.1A always.
2.If you test the charging current and find it is lower than 1A then it means the cable smartly choose the best current for charging your cell phones without harm.
3. Large current sometimes does not mean it is not always the best since it will harm the battery life of cell phones and let the cable choose the best current for your cell phones.
4.Please do not use unprofessional current test device to test the current because this device does not measure accurately.
5.There is no need to test current . If it is from 0-2.1A then it is OK and the number is not important because cables will choose the best current for cell phones.