20000mah laptop power bank with high quality

Specifications of  20000mah power bank:

·Capacity: 3.7V, 20000mAh
·Input voltage: 19V 

·Input current: 2.0A

·Output voltage: 5V/12V/16V/19V(optional) 
·Output current: 2A(5V), 4A(12V/16V/19V)
·Compatible with Laptop/Mobile Phones/Tablet PC/GPS/PSP/MP3......
·Standard Accessories:
  Adapter     1pcs
  Output Cable   1pcs
  Laptop connectors: 10pcs 
·Size: 198(L)*124(W)*31(H) mm
·Weight: 1200g

·Material: Aluminium Alloy

·Color: Black,Silver,Red,Blue,Golden

·Full charging time: 3.5hours

Features  of  20000mah power bank:

 (1)Material: Aluminium alloy

(2) Input:19V 1.2A

(3)Capacity of internal rechargeable polymer lithium ion battery:30000mAh/3.7V

(4)Output:USB 5V/2A    DC 12V/16V/19V/4A(MAX)

(5)4 LED indicates the charging status:<35%,<65%,95%,100%

(6)On/off switch to select the 12V/16V/19V DC output,there are 3Led indictorS indicate the output voltage.

(7)Charging time :about 9 hours

(8)Output 5v/2A can applicable to IPAD,Samsung P1000, 5V tablet ,Intelligent mobile phone and 5V digital game machine, electronic products

(9)Output12V/16V/19V can applicable to tablet,notebook,DVD ect.

(10) Safe protective integrated circuit to avoid overcharging, overdischarging, overcurrent and shortcircuit

(11)Life span:over 500 times

(12)Usage temperature:-5°C-45°C

(13)Static power consumption: Below 900uA

 Package included:

1) power pack 

2)DC cable1pc ;

3)1 groups of AN connectors(8pcs)

4)1pc;19V/1.2 adaptor 1pc

5)1pc User's manual

Packing Information: 1 PC/ gift box(5.5*6*22.5cm)/1.2KG ,10pc/carton(355*240*356MM),N.W:12KG,G.W:12.5KG