MaximalPower RB KEN KNB-26N 1800mAh Ni-MH  Two-Way Radio Battery for Kenwood TK-2140, TK-3140  (Black) Replaces OEM Part# KENWOOD KNB-25, KNB-25A, KNB-26, KNB-26N 2 Way Radio Battery for Kenwood TK-2140 TK-3140 TK-2148 TK-3148 TK-2160 TK-3160 TK-2168 TK-3168 TK-2170 TK-3170 TK-2173 TK-3173,Black, 1800mAh, NiMH This battery can work with charger that is designated to supports Ni-Mh chemistry