Features:
Designed for use during car battery replacement. When replace the car battery, connect the alternative battery and car OBD2 connector with this ECU emergency power supply cable. To protect the ECU data of the car.

Unique design that it has 2 methods to get power. Get power from 12V battery with the clip connector, or connect to the battery box (8 pcs #5 battery required, batteries are not included).

Power can be supplied from any 12V DC source, such as jump starter, 12V lead-acid battery or 12V DC battery of another car, etc.

Delivery contents:
1 x Constant power tool