Kenwood TK-3300UP Radio Battery, Kenwood TK-3300UP Radio Batteries are built to withstand time. We carry aBattery Clearance carries a complete line of TK-3300UP Two Way Radio Batteries.ll 3 Types of battery chemistry's, NiCd, NiMh and Li-Ion for Kenwood TK-3300UP Radios. Our Replacement Batteries are made to meet or exceed OEM specifications.