This brand new cordless phone battery comes with a free 1 Year Warranty. Battery Kings guarantees that it will work with your CISCO CP-7921G  cordless phone, will perform as well or better than the original counterpart, and will be free of defects. Battery Kings has the widest selection of cordless phone batteries, from hard-to-find replacements for older Cisco Cordless Phones to the newest Cisco cordless phone models.

TYPE:Lithium Polymer

PWR :3.7 Volts    2000 mAh

SIZE:3.3"L x 2.07"W x 0.378"H

 Our part CPP-571 also fits these models