Duracell is putting its ­energy into the festival season, taking a Powerhouse roadshow to several of the summer's biggest music events.

A battery-shaped tent will be set up at T in the Park in Scotland on 8-9 July and at the Carling Weekend in Leeds on 25-27 August, providing DJ-led entertainment that 'lasts longer'.

It also features an exchange where festival-goers can swap old batteries for new Duracell Ultra 3 products, which will also be making appearances at other seasonal music festivals, including Download at Donnington, V in Staffordshire and the Reading Festival.

A radio promotion is also running on the Kerrang, Galaxy, Kiss and Virgin stations, backed by press competitions to give away festival tickets and Power Packs, which include Ultra M3 batteries and an MP3 player with portable speakers.