Lnfxkvva 3X 5A Car Computer Memory Saver OBD2 Battery Replacement Tool Expansion Cable mp Digital Display

1. A power management system with a core processor; 4, battery clip anti-reverse protection (the digital tube does not light after the reverse connection, no power); 2, can display the battery voltage (to prevent the use of batteries that are deficient in electricity, can not reach the purpose of continuous battery replacement); 3, can display the current (can be used for leakage detection, can also understand the quiescent current of the car in the non-start state); 5, over-current protection (with 5 amp insurance); Voltage and current are automatically cycLED.