OBD II Vehicle ECU Emergency Power Supply Cable OBD2 Automotive Battery Replacement Tool OBD Emergency Power Cable with Auto Leakage Detection,Battery Replacement,Voltage and Current Display
【Widely Application】BT30 OBD II Vehicle ECU Emergency Power Supply Cable is a special tool for replacing the battery of the car, when the car replaces the battery, use the spare battery to supply power to the ECU, to protect the ECU data. Note:The batteries on the car can't be shared, and can't be connected to the same battery with the ECU.
【Battery Replacement Procedures】Prepare a fully-charged spare battery and securely connect the power clamp to the positive and negative terminals of the spare battery (red clamp to positive, black clamp to negative). lf connected correctly, the screen will display voltage data. Connect the device's OBD interface to the vehicle's OBD interface.Upon successful connection, the screen will display current data. Remove the old battery from the vehicle and replace it with a new one.
【Voltage and Current display】Upgraded OBD2 OBD Power Cable Power management system with core processor, voltage and current can be displayed simultaneously. OBD2 Automotive Battery Replacement Tool displays battery voltage(preventing the use of depleted batteries, ensuring uninterrupted power for battery replacement),displays current (for leakage detection or understanding the car's static current when not in operation).
【Security features】OBD2 Vehicle ECU Emergency Power Supply Cable has over-current protection ，over-voltage protection，polarity reverse protection function. The car memory saver comes with a 3A fast blow fuse for more reliable over-current protection. When the voltage is greater than 16V, it will start the power failure protection.
【Auto Leakage detection】The OBD emergency power cable can be used for initial detection of power leakage in the car. Successively remove the fuses from the car's fuse box and observe the change in current. lf the current suddenly decreases, it indicates the possibility of leakage from that fuse.
【Note】During the battery replacement process,turn off the car door lights,ensure the vehicle power switch remains off throughout, with no electrical appliances active to prevent sudden excessive currents.The operating voltage range of this device is 10~14V. An alarm will sound to indicate when the voltage is <10V or>14V. Power-off protection will be activated when the voltage exceeds 16V.
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