This site contains affiliate links for which we may be compensated.
Truckspec TS431USB 4-Way 12-Volt Adapter$12.40
Features. Turns One 12-Volt Socket into a 4-Way Multi-Purpose Adapter. Compatible with iPad iPod MP3 Cell Phones and More.
Power and Charge Two 12-Volt. Accessories and Two USB Devices. Combined Power Usage of all Four Outlets Must Not Exceed 10 Amps.
One 1 Amp USB Port. One 21 Amp USB Port. Total Power - 150 Watts.
Input Output Voltage - 12-Volts DC. Dual USB Output - 5-Volts