An ac adapter is a highly useful little gadget, often found in vehicles to adapt the power supply from ac to dc as a means of powering car accessories - such as a 12v air compressor or an auto vacuum - and more.
They're equally useful for a range of other electronic gadgets and accessories, not least laptops, net books and hand held game stations. Largely inexpensive, they come in a range of power supply conversion's .- from 9v and 12 volts and upwards.
The five best ac adapters are featured below. They're all good value for money products, highly rated and on the best sellers list in their category - as well as manufactured to a high standard.