Kenwood KNB-69L is a super extra high capacity battery for the TK-D340 UHF / TK-D240 VHF, TK3302 UHF / TK-2302 VHF professional-grade two way radios, as well as TK-3401D, TK-3301 and TK-3201. Only works with KSC-35 or KSC-44 charger. Not suitable for KSC-31 charger.