Brand New Tank® 7.2V 1800mAh Ni-MH BatteryThis battery works with the FollowingKNB-16A KNB-17A KNB-21N KNB-22N TK-190 TK-280 TK-290 TK-380 TK-390 TK-480 TK-481 TK-5400 RadioFits: TK280,TK290,TK380,TK390,TK480,TK481 Replacement for Kenwood 5617, KNB-17, KNB-17AAll Tank® products are brand new and tested before shipment. 1 YEAR WARRANTY