GoodQbuy KSC-24 Charger for Kenwood Batteries KNB14 KNB15 KNB16 KNB17A KNB17B KNB20N KNB21N KNB22N TK-190 TK-280 TK-380 TK-290 This charger has a built-in microprocessor that can detect change in voltage. It terminates in the fast charging process up to 90% and switches into trickle charge mode automatically until the batteries are full. It is automatic with reverse polarity protection and overcharge protection This KSC-24 charger compatible with Kenwood radio: TK2100, TK3100, TK272, TK372, TK373, TK280, TK380, TK290, TK390, TK480, TK481 and Kenwood batteries: KNB-14, KNB-15, KNB-16, KNB-17A, KNB-17B, KNB-20N, KNB-21N, KNB-22N KNB-14, KNB-14A, KNB-15, KNB-15A, KNB-16, KNB-16A, KNB-17, KNB-21, KNB-21N, KNB-22, KNB-22N, PB-43, PB-43N Ni-CD & Ni-MH 7.2V Battery TK-190, TK-260, TK-260G, TK-270G, TK-272, TK-272G, TK-278, TK-278G, TK-280, TK-360, TK-370, TK-372, TK-372G, TK-373, TK-378, TK-378G, TK-380, TK-388, TK-388G, TK-390, TK-480, TK-481 TK-2100, TK-2101, TK-2102, TK-2107, TK-3100, TK-3101, TK-3102, TK-3107, TK-5400, TK-5400