The KNB-57L is a Li-Ion Battery - 2000 mAh
Replaces Previous Batteries - KNB-26N & KNB-35L
Compatible with NX-220, NX-320, NX-420, NX-3200, NX-3220, NX-3300, NX-3320, NX-3400, NX-3420, TK-2160, TK-2170, TK-2173, TK-2360, TK-3160, TK-3170, TK-3173, TK-3360 Kenwood radios.
