9V PP3 Size. For 9V PP3 Batteries. Size 9V PP3 Size (HR22). Also Known As 9V, PP3, HR22, MN1604, BLOC, 6LR61, 1604AU, X22, 1604, 1604A, 1604AC, 4022, 522, 6AM6, 6F22, 9VOLT, A1604, CLR6, K9V, KA9, ND65V, R22, RB100890.
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