This high quality walkie talkie battery is the latest released battery and it will bring your battery a powerful life! Battery type: QKB-PB32 The electric core types: nickel cadmium battery Fit the brand: KENWOOD Fit models: TK-208 TK-308 TK-22AT TK-42AT TH-79AT TH-42AT TH-24 The charging temperature: 10 ~40'C The discharge temperature: 0 ~60'C Storage temperature: -20 ~35'C Capacity: 600mAh Voltage: 6V