Duracell have announced the re-launch of their highly successful Duracell Ultra Power batteries, complete with new and improved unique features. These Duracell Ultra Power batteries now come with a PowerCheck integrated tester so you know just how much power is left; helping you get as much use out of your Duracell Ultra Power batteries as possible. The Duracell Ultra Power batteries have been made available in all sizes, with the integrated tester available on AA, AAA, C and D batteries, but as a separate tester on the 9V cells. Now in brand new packaging, the fresh-looking Duracell Ultra Power batteries come with up to 40% more power than Duracell Plus, meaning they are perfect for devices with a high power requirement such as DAB radios, digital cameras and MP3 players and making them the most powerful Duracell batteries available. These brand new Duracell Ultra Power batteries are now available at buyabattery.co.uk today!