all in 1 power HUB is the repair dedicated power cable, Overvoltage protection extender for DC Power Supply,More than 4.8V automatically cut off the output and the buzzer alarm.
Function:
1. High quality multi-functional power hub with extension USB Adapter.
2. Automatically stop output power once voltage is more than 4.8V while buzzer will remind you.
3. Multiple Protection on voltage, current and short circuit
4. SCM design, avoid burn damage below 30V.
5. voltage design, support all sorts of power between 5V-30V 1A-5A.