AAA / MN2400 / LR03 / AM4 / MICRO / 24A / 4003. AAA size batteries also known as LR03 and MN2400. AA batteries are also known as AAA, MN2400, LR03, AM4, MICRO, 24A, 4003. AA | LR91 | FR6 | AM3 | MN1500 | 4006 | 1.5V | MIGNON | X91 | LR6.
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