**********Replacement for Kenwood KNB-16, KNB-16A, KNB-17, KNB-17A, KNB-21, KNB-21N, KNB-22, KNB-22N Two-Way Radio Batteries. ***** 7.2V 2100mAh Ni-MH rechargeable battery, perfect replace your original batteries. *****Made with the high quality materials. Charging at any time will have no effect on the battery. *****High impact housing for ruggedness and Provides excellent discharge characteristics. *****Our goal is to keep our customers beyond satisfied. Thus We would appreciate it if you could give us a chance to address your concerns.