Total output of 2 ports is 37W, while USB2 port max output is 27W, providing 27W fast charging for Mi 9Elastic metal contact design, suitable for different cigarette lighter or power interface of most cars. The car charger applied high quality main control chip, apart from charging efficiency improvement, it also provided multiple protection, including over current protection, overvoltage protection, short- circuit protection, temperature protection and electromagnetic interference protection.
