🔊 Power your world with sound—never miss a beat! Get 300 batteries in one go—perfect for uninterrupted sound! Each cell undergoes rigorous testing for optimal performance. Stainless steel housing offers superior stability and corrosion resistance. Experience fewer battery changes with our patented cathode technology. Our film seal ensures your batteries stay fresh and powerful. Long service life 300 batteries Corrosion-resistant The PowerOne Cochlear Implant 675 Batteries come in a convenient 60-pack, totaling 300 batteries. Designed with patented technology for long-lasting performance, each battery is rigorously tested to ensure reliability. The advanced film seal prevents premature drainage, while the stainless steel housing provides exceptional durability against corrosion.