The Cisco 7921G Extended Battery is a rechargeable Li-ion Polymer battery.
Specs: Li-ion, 3.7V, 2000 mAh
Talk Time: 15.5 hours when fully charged
Standby Time: 200 hours when fully charged
High Quality Replacement: 100% compatible with OEM part number 74-4958-01 or CP-BATT-7921G-EXT= battery
Note: Actual battery life varies significantly based on environmental factors.
Cisco 7921G Wireless IP Phone
7921G Extended Battery
We provide FREE UPS Ground shipping on any online order over $99. For online
orders totaling less than $99, UPS Ground shipping is only $9.95. The offer is
valid in the continental United States.
The vast majority of our orders are shipped the same day as placed. If there is
any significant delay in your order leaving our warehouse, you will be contacted
promptly by our customer service department.
We offer UPS Ground, UPS 3 Day Select, UPS 2 Day Air, UPS Next Day Air Saver,
and UPS Next Day Air.
UPS Ground - 1-5 days depending on delivery distance (see Ground services map
UPS 3 Day Select – by 4:30 p.m. third business day to most US addresses
UPS 2 Day Air - by 4:30 p.m. second business day to most US addresses
UPS Next Day Air Saver - by 4:30 p.m. next business day to most US addresses
UPS Next Day Air - by 10:00 a.m. next business day to most US addresses