e-cigarette mechanical mod dovpo GX-200

At recently, i found new mechanical mod dovpo e cig GX-200 very large cloud Output voltage is the same as battery voltage.
the more detail as follows:
Product parameters:
1. Working voltage 3.2- 4.2V
2. Max output 20A
3. Output voltage is the same as battery voltage
4. Lowest resistance 0.2ohm
5. Low voltage protection < 3. 2V
6. Over current protection > 30A
7. Two 18650 batteries parallel connection, can be charged with micro USB cable or 18650 charger
8. Short -circuit and reverse connection of the battery power terminal , will be protected
9. The height of the connector's positive electrode can be adjusted by screwdriver
10. Charging voltage: Micro charger DC5V
11. Max charging current : 800mA
12. Automatic circuit -breaker triggered after 15 seconds
Attachment 311