Which AA Battery Lasts Longest?
We lab-tested four types of AA batteries to find out which could stand up best to the heavy demands of today's cameras. Energizer's e2 disposable lithium cells lasted longer than other AAs in our tests. Compared with Duracell's Ultra M3 Alkalines (which we used as the baseline), the lithium batteries delivered 3.3 times the number of shots in a point-and-shoot camera and 2.7 times the shots in an advanced camera for twice the cost. Overall, results were similar between the two-battery Canon and four-battery Fujifilm cameras.
Christopher Null is a San Francisco-based technology writer. Testing was designed and performed by Tony K. Leung and William Wang.
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