... batteries ( YK-CD122440 ) aaa rechargeable batteries, battery recharging , 12v battery and charger informationYK-CD Series full automatic battery charger uses the advanced non industrial frequency transformer ... , 12v battery and charger specification ItemPerformance ParameterAC/DC compatible inputAC220V±15%, 50/60hz inputCharge current 5A,8A,11A,15A,19A,23A,27,31A,35A ...