Overview Reviews Product Description 1.55V. Silver Oxide Battery. Zero Mercury 1.55v Silver Oxide Zero Mercury Replacement for: SR60, SR621SW, 280-34, D364, SB-AG, SB-DG, TR621SW Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Energizer 364BPZ Zero Mercury Battery - 1 Pack Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments