Xiaomi 70mai Jump starter for Hummer H2 

The car stood on the street for more than a month and the battery was very discharged (up to 8 - 9 volts). It was 5 degrees Celsius outside. The #hummer_h2 would not start from the built-in battery and I decided to try to start it with the help of a starter: #XIAOMI 70mai car Jump Starter 11100 mAh.
To my surprise, I was able to start the Hummer H2 with this little box. All you need is to connect the Xiaomi Jump Starter to the battery terminals and try to start the car. And I repeated the experiment twice (one broke at night). Then he came home, removed the battery and charged it at home.
I have CarWebGuru installed on the radio with my favorite Rummer theme. For more info: play.google.co...
There is a small button on the Xiaomi car Jump Starter. If you are unable to start after connecting, then try pressing this button. Then within 30 seconds try to start the car again. This button helped me at night for the first time. She adds power to start the car.