Artisan Power DUO cell phone charging stand for phone batteries compatible with Cisco 7925 and 8821 Battery Packs. Charge up to 4 batteries in 5 hours or less! Stand up battery charger for 7925 Batteries: CP-BATT-7925G-STD, 74-5468-01, CP-BATT-7925G-EXT, 74-5469-01 Phone power station for 8821 Batteries: CP-BATT-8821 and 74-102376-01 Our multi station charger features durable Gold Pins to ensure a more consistent and long-term connection with the battery pack for each charge, and LED lights to indicate each battery?s charging status. Includes USB Type C power supply.