I12150 Propower Q 150 watt 12v input New turbo coke can inverter: The popular 100 watt inverter which can lie flat or fits in a standard coke can holder in cars / lorries / boats now has a new big brother which keeps the same convenient style and application, but now has an internal fan to keep it cool. The end result is that it can produce a comfortable 150 watts. The new turbo model is about 20 mm longer and requires either an open cup holder or a cup holder with at least 5mm larger diameter than the unit to allow the fan enough room to let the air flow through the product