Kenwood TK-431 Radio Battery, Kenwood TK-431 Radio Batteries are built to withstand time. Battery Clearance carries a complete line of TK-431 Two Way Radio Batteries. We carry all 3 Types of battery chemistry's, NiCd, NiMh and Li-Ion for Kenwood TK-431 Radios. Our Replacement Batteries are made to meet or exceed OEM specifications.