Battery size: 9V PP3. Battery type (category): 9V/ PP3 battery. Alternative battery types: 6LR61, 6LR21, 6AM6, 6LP3146, MN1604, A1604, E Block, LR22, 522, 6LF22, 1604A, K9V, 6R21, 6R22, BA3090/U, 6F22, PP3HP, 006P, AM6F, 6LF62, HP3, M1604, 4022, BLOC, CLR6, KA9, ND65V, U9VL-J-P.
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