Dual USB Car Charger Voltage Current Test Display Alarm Charger 24V 2.1A
When you charge two ports,it shows the total current.This is why we called it the intelligent current output.
When the 12.5V battery voltage is under or equal to 11.7V,it would alarm.
And when the 24V battery voltage is under or equal to 17.5V-23.5V,it would alarm.
The alarm sound would stop after three sounds,and then would sound once a minute.
|Output Current||DC 5V 2.1A|
|USB Port||Dual USB Port|