Cisco 7921G Extended Battery SB-7921-L19
Features
- Extended length battery for Cisco 7921G Wireless IP phone
- Li-ion, 3.7v, 1900 mAh
- Talk time – up to 15.5 hours
- Standby time – Up to 200 hours
- High quality replacement battery – 100% compatible with OEM part number 74-4957-01 or CP-BATT-7921G-EXT= battery
- One Year Warranty