If you're going to be out and about with your tablet you don't want it to run out of power at the wrong moment. So which tablet has the best battery life? We delve into our lab data to find out. Find out which tablet performed the best

Netbooks have been somewhat left by the wayside, as the slightly less glamourous cousin of ultrabooks, in terms of your options for computing on the go. On the plus side, they tend to be about a quarter of the price and the best should offer all-day battery life and more than enough power for basic tasks like word processing or going online. read more about netbook battery life

Smartphone battery life is one of the biggest gripes with the gadgets,  so which one comes out on top and what can you do to maximise your calling time? Read more about smartphone battery life

Smartphones are not well known for having long battery life, and often might not last a day before needing a top up in power. We look at some easy ways to make your phone stay working longer. Read more about improving smartphone battery life