The CP-BATT-7925G-EXT is a product from Cisco that serves as an extended battery for their 7925G wireless IP phone. This battery provides additional power to the phone, allowing users to stay connected for longer periods of time. It is ideal for those who are frequently on the go or those who need extended talk time without needing to recharge their phone. This battery is compatible with the Cisco 7925G, which is a ruggedized and highly secure wireless phone designed for use in industrial, military, and healthcare environments. The CP-BATT-7925G-EXT has a capacity of 2000 mAh and can be charged using the same charger used for the Cisco 7925G wireless IP phone. It is an ideal accessory for those who require uninterrupted communication in demanding environments