180W output 4USB port with 5A output Cup Holder Style Multi-Car Adapter with battery checker Input Voltage: DC 12-24V Input Current: without load: 15mA MAX, with load: 1.8A MAX output voltage: without load: DC5.0V-5.4V, with load; DC&gt;4.75V USB output current: 5000mA MAX USB Output Ripple Noise: 200mV MAX