Battery Types: LR44, LR41, 4LR44, 23A, 27A. 4LR44, 23A, 27A: 6V. LR44 & LR41: 1.5V. 4LR44: ~10g per battery. LR41: ~1g per battery. 4LR44 (PX28A) Devices LR41 (AG3) Devices 27A: ~4g per battery.
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