double adapter for car cigarette lighter EUGIZMO 5 in 1 Dual Splitter Charger Plug 2 USB ports can intelligent output current according to charge devices.Total output 5V/3.1A. BESTEK 150W 2-Socket Car Cigarette

The devices themselves do vary somewhat from brand to brand though some parts are interchangeable

More about how he works, and the family story behind V2, is on Joe's author profile

Most powerful inverter Energizer 4,000-watt Power Inverter Get It Now Expert Take The Energizer car power inverter is a big beefcake, boasting up to 4,000 watts of power split between its two AC outlets

A cigarette lighter socket inverter is a compact power adapter that plugs into a vehicle's 12V outlet and converts DC power from the vehicle into AC power for compatible household-style plugs

"We think that will be a really important part of the enforcement picture, helping make sure that responsible retailers are rewarded and the less responsible ones are quickly identified, and Trading Standards have more powers to deal with them," Cerny said