good selling 6800mah portable charger power bank

Specification of portable charger power bank  :

1. Cell Type: Lithium-ion Polymer

2. Capacity: 6800mAh

3. Size:   146*70.5*9.9mm

4. Operating Temperature: 10 °C-45 °C

5. Input current:  DC 5V/1.0A

6. Output current:  DC 5V/2.1A

7. Input Voltage (threshold): 5.0V+/- 0.25V

8. Charging time: 2-3 hours

9. Weight: 180g

Features portable charger power bank  :

1.100% Full capacity 6800mah mobile power bank

2.usb output 5V1A

3.Ultra slim--only 12mm thin as mobile phone

4.Short cicuit protection

5.Overpower protection

6.Overvoltage protection

7.Overcurrent protectioin

8.Overcharge protection

9.High temperature protection

10.Super ultra working life--1000+times charge

Pictures of portable charger power bank :