1.12/24V 40A DC output 2.Float13 ... automatic switch)float charge”. With strongpoint such as fast speed, high efficiency, unattended, non over charge ... ( YK-CD122440 ) aaa rechargeable batteries, battery recharging , 12v battery and charger specification ItemPerformance ParameterAC/DC compatible ... , it’s 12V battery, more than 31V valve value, it’s 24V batteryEnvironmentWorking temperature(-20~50 ...