Duracell-Ultra-M3-CRV3-Duracell-CRV3ULTRAM3-P-This-Duracell-Ultra-M3-CR-V3-battery-is-the-answer-to-the-ever-increasing-demands-for-power-in-portable-devices-especially-digital-cameras-Its-shape-is-designed-to-match-the-space-occupied-by-a-pair-of-AA-size-batteries-held-next-to-each-other-P-P-This-by-design-allows-many-cameras-to-run-with-either-a-pair-of-AA-batteries-or-a-single-CR-V3-Because-it-uses-Lithium-chemistry-to-store-electricity-a-CR-V3-is-also-likely-to-outpe