The 7.2v Ni-Cd 4000mAh batteries are specifically designed for use with R400DK5T6A6 devices, providing reliable power for home phones and mobile communication devices. With a high temperature tolerance of up to 55 degrees, these batteries can handle a wide range of environments, making them a versatile and practical choice for keeping your devices powered up and ready to use. Trust in the quality of these batteries to keep your devices running smoothly and efficiently.
