8v ~20v Monster Battery Pack 4.5A rechargeable batteries bank for instument for notebook for laptop

Specifications 1.Output voltage scales:8

2.High Capacity: 50Wh

3.Out current:4.5A Max

4.USB output:5V/2A

5.certification:CE,ROSH

I. Application:     for  3C consumer  product . II.Function Advantages:    1.Model:MP3450D(DIY  type )
    2.Cell type:Li-Polymer  
    3.Cell Capacity:58Wh(15800mAh)  
    4.Output  port:Two independent output port: 1.DC  OUT   2. USB OUT  
    5.DC OUT Voltage:5V,6V,7.5V,9V,12V,14V,16V,19V  
    6.DC OUT current:4A(constant );4.5A(Max.)
    7.OUT DC/DC efficiency:92~94%
    8.DC OUT capacity:48Wh (12900mAh)  
    9.USB OUT voltage:5.2V
    10.USB OUT current:2A( constant ) ;  2.5A( Max)
    11.Input Charging Voltage:8~20V 
    12.Charging Time:About  3h
    13.Charging  method:1. AC power adapter . 2. Car charger . 3. Solar panel    
    14.UPS  function:with 
    15.Pass through charging:with
    16.Capacity extended:can extended  capacity  to  100Wh , 150Wh , 200Wh 
    17.Size:174*84*22.5mm  
    18.Weight:430g  III.Operation panel: IV.Operation guide      1.Indoor Application —— working for Pass through charging:                  The AC power adapter will offer power to laptops working and charged laptop’s internal          battery firstly. It will follow charged MP3450D after laptop’s internal battery has charged          fully. The MP3450D also will be charged fully at finally. It will total charged fully after 7~8h by          connected as this diagram.if empty of all battery ( MP3450D&Laptop’s internal battery).It         doesn’t matter the laptop is operated or not .  It will auto stop charging MP3450D battery.          while offer to Laptop’s loading current higher than 2±0.2A. ; it will start charging MP3450D if         Laptop’s loading current less than 2±0.2A. The Laptop’s demand power always priority one         of support from AC Power adapter.      2. Outdoor application ————Back-up power for your device:         Please check loading device demand voltage/current before connected the DC OUT port of     MP3450D. It will shut down if demand current over MP3450D maximum output 4.5A.   V.Packing accessories:     VI. Product clear picture: