Our brand-new Standard Battery compatible with FDK HR-4/5AU is engineered to deliver long-lasting and stable performance. It is designed to meet rigorous standards, ensuring full compatibility with devices such as the FDK 4/5A 17430. This battery comes with a one-year warranty and has passed essential safety certifications including CE, RoHS, and ISO9001. Choose our FDK HR-4/5AU battery for a power solution that combines quality, safety, and convenience. Invest in authentic p