Car Battery with One-button emergency start function

Our car battery has three major functions:

1.Bluetooth function:

scan the QR code on the car battery with your cell phone,then install the APP into your cell phone,then you can check the capacity of the car battery through the APP

2.One-button emergency start function：

When the capacity of the car battery is not enough,you can use this function.

Usage:press the One-button emergency start for above 5 seconds,then you start your car within 1 minute.You have 2 chances to start the car with this method.But try to keep the capacity of the car battery is enough,otherwise the car battery will be damaged easily.

3.The negative pole and the positive pole of the car battery is made of cooper with better conductive function.