These Duracell Ultra M3 AAA are Duracells best battery for electronic devices. It has been specially formulated to meet the increasing demands of high powered e lectronic devices such as digital and flash cameras. Each battery has a battery tester fitted so you can check how much power remains in the battery by simply placing your fingers on the contact points.

These batteries are also ideally suited for use in a wide range of electronic devices including CD, MP3 players, remotes and toys. High power output along with low self discharge make these batteries ideal for applications requiring long run times. The IEC designation for AAA cells is LR03. Also known as: E92, 4203, 4003, K3A, AM4, 824.