The present disclosure provides a portable standby starting device for a vehicle. The portable standby starting device includes a battery circuit, a load access detecting circuit, and a vehicle starting circuit, wherein the battery circuit is coupled to the load access detecting circuit and the vehicle starting circuit, and is configured to supply power to the load access detecting circuit and the vehicle starting circuit; the load access detecting circuit is coupled to the vehicle starting circuit, and is configured to detect whether the vehicle starting circuit is connected to a vehicle load; the vehicle starting circuit is configured to, when the load access detecting circuit detects the connection of the vehicle load, output a vehicle starting current for controlling an ignition operation performed for the vehicle.

The present disclosure provides a portable standby starting device for a vehicle. The portable standby starting device includes a battery circuit, a load access detecting circuit, and a vehicle starting circuit, wherein the battery circuit is coupled to the load access detecting circuit and the vehicle starting circuit, and is configured to supply power to the load access detecting circuit and the vehicle starting circuit; the load access detecting circuit is coupled to the vehicle starting circuit, and is configured to detect whether the vehicle starting circuit is connected to a vehicle load; the vehicle starting circuit is configured to, when the load access detecting circuit detects the connection of the vehicle load, output a vehicle starting current for controlling an ignition operation performed for the vehicle.

Provided is portable backup starting device for vehicle. The device includes internal power source, switching circuit, first voltage detecting circuit, first electrode clip, and second electrode clip, wherein the first electrode clip and the second electrode clip are configured to connect to the first end and the second end of vehicle load; the internal power source has first electrode and second electrode, wherein the first electrode is coupled to the first electrode clip, and the second electrode is coupled to the switching circuit; and the switching circuit is coupled to the second electrode clip, wherein the first voltage detecting circuit is coupled to the switching circuit, the first electrode, and the second electrode for detecting first voltage between the first electrode and the second electrode before the switching circuit conducts, and the switching circuit does not conduct when the first voltage meets first preset condition.

Provided is portable backup starting device for vehicle. The device includes internal power source, switching circuit, first voltage detecting circuit, first electrode clip, and second electrode clip, wherein the first electrode clip and the second electrode clip are configured to connect to the first end and the second end of vehicle load; the internal power source has first electrode and second electrode, wherein the first electrode is coupled to the first electrode clip, and the second electrode is coupled to the switching circuit; and the switching circuit is coupled to the second electrode clip, wherein the first voltage detecting circuit is coupled to the switching circuit, the first electrode, and the second electrode for detecting first voltage between the first electrode and the second electrode before the switching circuit conducts, and the switching circuit does not conduct when the first voltage meets first preset condition.

A portable backup starting device for a vehicle includes an internal power source, a switching circuit, a first voltage detecting circuit, a first electrode clip, and a second electrode clip. The first electrode clip and the second electrode clip are configured to connect to a first end and a second end of a vehicle load; the internal power source has a first electrode and a second electrode. The first electrode is coupled to the first electrode clip, and the second electrode is coupled to the switching circuit; and the switching circuit is coupled to the second electrode clip. The first voltage detecting circuit is coupled to the switching circuit, the first electrode, and the second electrode.