Jiedai Automotive Emergency Starting Power Supply Three in One 12V Large Capacity Generator Performance Testing Battery Tester

Easy to connect and start Connect the red wire clip to the positive (+) of the battery, and the black wire clip to the negative (+) of the battery.

The battery will automatically charge the crossover starter. When the battery is connected to the crossover starter, the charging state will automatically open and cannot be closed 15 second super fast charging for 12V models, unlimited Easy to operate, can be started by connecting;

Pure electronic component design, battery free with reverse power protection design, effectively protecting equipment and automotive circuits The car can start immediately at zero voltage when the power is cut off during startup 1000A peak curre nt 400A Starting current High magnification Explosion proof battery