SUNDELY 2200mAh Li-ion Replacement Battery Pack for Kenwood Radio TK-2180 TK-3180 TK-5210 TK-5310 KNB-33L Li-ion Replacement Battery Pack For Kenwood Radio 2200mAh, 7.4V, Li-ion battery, KNB-33L TK-2180, TK-2180K, TK-2180K2, TK-3180, TK-3180K, TK-3180K2 TK-5210, TK-5210G, TK-5210GK, TK-5210GK2, TK-5210GK3, TK-5210GK7, TK-5210K, TK-5210K2 TK-5310, TK-5310G, TK-5310GK, TK-5310GK2, TK-5310GK3, TK-5310GK4, TK-5310GK5, TK-5310GK6, TK-5310GK7, TK-5310K, TK-5310K2