Duracell Ultra Power 9V alkaline batteries are the 1 longest lasting 9V battery* ideal for high-drain devices. POWERCHECK™ means that you can check remaining power at a glance, avoiding unnecessary interruptions, while Duralock Power Preserve technology keeps batteries fresh & powered for up to 5 years in storage!
* Duracell’s longest lasting 9V in the 2015 IEC smoke detector standard test. Results may vary by device
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Duracell's Most Powerful AA Battery
- When only the very best will do. The M3 Ultra range is Duracell's most powerful alkaline
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A really superb 7dayshop deal on this Bulk Pack of Duracell's most powerful AA battery for when only the very best will

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Duracell Ultra Power gives you reliable performance & long-lasting power in a broad range of everyday devices. You can rely on Duracell Ultra Power to power your digital camera, portable games console, shaver, remote controls, CD players, motorized toys, flashlights, toothbrushes, etc.
Duracell Ultra Power has Powercheck TM. Powercheck TM enables you to see how much power is left inside so that you can get more power from your battery. After 111 clicks on digital camera, you can still enjoy up to 7 hours of play with your favourite motorized toy. Similarly, after 4hours of continuous product use in an electric shaver/ toothbrush, you can still enjoy up to 5 & half hours of power in gaming Controller.
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A really superb 7dayshop deal on this Bulk Pack of Duracell's most powerful AA battery for when only the very best will

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Within our alkaline battery range, Duracell Ultra Power batteries are designed to get the best performance out of high-drain devices like Digital cameras & out of frequently used devices such as, MP3 players, remote control toys & video games controllers.
Duracell Ultra Power is the only battery that offers the Powercheck feature which offers consumers the ability to know how much power is available in each battery.
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A really superb 7dayshop deal on this bulk pack of Duracell's most powerful AA battery
- Duracell Ultra Power offers

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Important Buyers Note: Duracell "M3 ULTRA" is now to be known as simply "ULTRA" & there is going to be a transitional period where M3 is no longer printed on the pack. Be assured that if you get a pack with simply "ULTRA" on the pack it is the very latest product. To confirm this please see the Duracell.co.uk website in Q&A section to confirm this... When only the very best will do. The M3 Ultra range is Duracell's most powerful alkaline battery available. Please do not confuse Duracell M3 Ultra with lesser power Duracell " Plus" type these are significantly more expensive & offer much enhanced performance over the " Plus" type!. Duracell M3 Ultra batteries also have a very useful " Powercheck" feature built in. Please compare our price & see the great value that 7dayshop.com offers!.. This AAA size battery is also known as MN2400 & LR03. ...

Duracell Ultra Power batteries are designed to get the best performance out of high-drain devices like Digital cameras & out of frequently used devices such as, MP3 players, remote control toys & video games controllers.

Duracell Ultra Power is the only battery that offers the Power Check feature which offers consumers the ability to know how much power is available in each battery.

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Duracell Ultra Power is the only battery that offers the unique Power Check feature which offers the user the ability to know how much power is available in each battery...AAA Size batteries are also known as LR3, LR03, MN2400, KAAA & Small size... Duracell Ultra Power batteries are designed to get the best performance out of high-drain devices like Digital cameras & out of frequently used devices such as, MP3 players, remote control toys & video games controllers. ...