Transforming from 12 to 240V? You need an Inverter. Need 12V from a 24 Volt source?? You need a converter. Just make sure you select a product that has the power capacity to run the device you're trying to use.

AIU150 Universal 150w power inverter with dual USB sockets - No longer available from wholesaler

Description: 

Universal 150 Watt Inverter
Dual USB inputs
DC 12V-AC240v, 50Hz
Pearl white Case with black cable and 12V cigarette lighter adapter plug.

Weight: 

0.21KG
Product is no longer for sale and has been Discontinued from production.