Package included:

1x Battery Pack( DC/ RCA CONNECTION)
1x Charging Cable

Specification:
Color:Balck
Plug specification:RCA/DC Connection
Size:2.3 X 3 X 6.2 cm
Battery capacity:2000mA
Operating Voltage:4-11V
Input voltage:DC 5V/1A
Output voltage:4.2-12V
Use Time:
Continuous charging for 1 hour can be full,the voltage is turned on at 6-8V and can be used for 2-3 hours

Feature:
1.HD digital display voltage.
2.DC connection,mini size,easy to hold with one hand,no longer worry about stepping on the line.
3.Comes with USB cable,easy and convenient to charge.
4.Long endurance.Continuous charging for 1 hour can be full,the voltage is turned on at 6-8V and can be used for 2-3 hours.