Kenwood KNB-33L BatteryKenwood KNB 33L Replacement Battery, Fits: NX 210, NX 210G, NX 410, NX 411, TK 2180, TK 3180, TK 5210, TK 5210G, TK 5310, TK 5310G, TK 5410. Battery Specifications: Application: Portable Two Way Radio, LMR Voltage: 7. 5 Choose Nominal Capacity: 1900 mAh, 2700 mAh, 3300mAh Choose Chemistry: Rechargeable Li Ion , Ni MH, Li Poly Cell Brand: Japan OEM Battery Part Numbers: KNB 31A, KNB 32N, KNB 33L, KNB 43L, KNB 54N Warranty: 12 months