Keep your hearing aid running reliably with this 24-pack of Udivita Size 13 zinc-air batteries. These PR48 cells deliver 1.45V voltage and 310mAh capacity, designed with Phono Pulse technology for consistent, optimised energy to support daily listening. Mercury-free and compatible with hearing aids of any type and brand, they feature Intelligent Pulse Control to regulate energy flow and reduce fluctuations, even with wireless devices. Stable Power Delivery ensures performance across various temperatures and loads, while the Precision Blending Process enhances efficiency for a reactive, stable power source. Supplied in four convenient blisters of six batteries each, backed by a 2-year manufacturer warranty.