Brand: Nagaoka
The Nagaoka MP-300 is a zinc-cadmium battery that is commonly used in hearing aids due to its long-lasting design. It provides a voltage of 1.35 volts and has a capacity of 310 mAh, which allows for extended use time without the need for frequent replacements. Additionally, it features a low self-discharge rate, which ensures that the battery retains its charge for a longer period of time. Overall, the Nagaoka MP-300 is a reliable and efficient battery choice for hearing aid users.