The DieHard long lasting zero mercury specialty batteries utilizes Silver Oxide. DieHard's durable, reliable power delivers long-lasting power to your button-battery-operated devices. Replaces: 303/357, 303, D303, SR44SW, SR44W, SR44P, SR44, SP303, V303, 303-1, SB-A9, 280-08, SR1154SW, 357, D357, SP347, V357, SB-B9, SR1154PW, AG13, 1107SO, 1066A, S05, S15, SR07, BLR44, 228, 280-904, G13-A, 10L14, 10SL17, D76, MS76, MS76H, BS07. (41-1288)