Tenq 2200mah Li-ion Replacement Battery Pack for Kenwood Radio Tk-2180 Tk-3180 Tk-5210 Tk-5310 KNB33L Li-ion Replacement Battery Pack For Kenwood Radio 2200mAh, 7.4V, Li-ion battery, KNB33L Compatible with: TK-2180, TK-2180K, TK-2180K2, TK-3180, TK-3180K, TK-3180K2 Compatible with: TK-5210, TK-5210G, TK-5210GK, TK-5210GK2, TK-5210GK3, TK-5210GK7, TK-5210K, TK-5210K2 Compatible with: TK-5310, TK-5310G, TK-5310GK, TK-5310GK2, TK-5310GK3, TK-5310GK4, TK-5310GK5, TK-5310GK6, TK-5310GK7, TK-5310K, TK-5310K2