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Family and friends are assembled and portrait-ready, everyone says "cheese," and ... no photo. To spare you such scenes, we tested AA batteries that claim to excel in digital devices.
The combatants. The Panasonic Oxyride Extreme Power battery claims to last "up to 50% longer than alkaline batteries." The secret is a new and repackaged form of oxynickel hydroxide that Panasonic says results in at least twice as many photos from a digital camera. The Energizer e2 claims "longer lasting power for high-tech devices." And the Duracell Ultra Digital claims to be the "best Duracell alkaline for digital cameras." They cost about $4.40 to $5.20 per four-pack.
How they fared. Our digital-camera test simulated subjecting batteries to a current draw that was ...