The KNB-57L is a 7.4V and 2,000mAh Li-ion battery compatible with Kenwood TK-3140 / TK-3160 / TK-2140 / TK-2160 and others
COMPATIBILITY
Kenwood NX220
Kenwood NX320
Kenwood TK2140
Kenwood TK2148
Kenwood TK2160
Kenwood TK2168
Kenwood TK2170
Kenwood TK3140
Kenwood TK3148
Kenwood TK3160
Kenwood TK3168
Kenwood TK3170