Zeeyu via Amazon offers its Zeeyu 120-watt Car Cigarette Lighter DC 3-Socket Splitter and Dual-Port USB Charger for $19.99. Coupon code "ZQEXAJT7" drops it to $11.99. Plus, Prime members bag free shipping. That's $8 off and the lowest price we could find. It features three 12-volt/24-volt cigarette lighter sockets, two USB charging ports, and overheat/over-current/overcharge protection. Deal ends July 11.