詳細規格及用途描述
【Dual, powerful, smart USB ports】 The dual fast charging port enables users to simultaneously charge multiple devices extremely quickly, with a total maximum output of 4A/20W and without overloading and slowing down. Input: DC 12-24V ; Output: DC 5V/4A. The charging speed is up to 4X faster than standard chargers. Perfect for Android and iOS devices!