HearClear Size 675p Cochlear Implant Hearing Aid Battery | 490 mAh | 4-year shelf life | High capacity | High power | Anti-leakage design High drain performance exceeds its competitors in high drain tests for all sizes. | Implany batteries offers improved performance compared to competing brands in low drain, wireless streaming, and high drain applications. Unique, patented air cathode design enables improved performance, with better efficiency as discharging power increases. This feature is specifically designed for state-of-the-art digital hearing aids, wireless streaming, and Bluetooth applications which have high power demands. Clearer tones with less distortion and constant voltage result in fewer volume adjustments and battery replacements. | Increased performance for high drain and digital devices with patented technology. The highest quality materials are used in manufacturing, sourced from the USA, Europe, and Japan. | Batteries are built with a durable double nickel-plated coating, providing improved Anti-Rust performance comparable to stainless steel. | Unique Climate Control technology suitable for harsh weather conditions. HearClear hearing aid batteries are backed with over 23 years of research and development, utilizing a unique patented technology in their design. HearClear batteries are 1.45V, suitable for hearing aids using zinc air batteries and are available in sizes 10, 13, 312, 675, and the 675P cochlear battery for cochlear implant devices. These batteries are made in the USA with US and global parts. HearClear batteries are well known for their high quality performance and durability as well as the following highlights: Long Shelf Life 1.45 Voltage High Power / High Capacity Made in the USA with US & Global Parts