Specifications ChipsetBJSC803A-061HFYInput CurrentDC 5V-12V——2A(15W)Output Power(Max.)15WCharging Efficiency70%-85%@15WCharging Area67.8*67.8mmThe Number of Coils1InterfaceType-CCharging StandardCompatible with Qi standard [EPP(15W), PPDE(10W)], Apple 7.5W wireless chargingProtection FunctionsOver-c..