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Quick Details


Place of Origin: Zhejiang, China (Mainland)    

Brand Name: OWELL

Model Number: OW-19-C300    

Dimension: 260*150*30Mm

Weight: 2.2KG            Capacity: 300WH

Outport: 19V/3.5A(Max:4.5A)      Input: 19V/60W~90W 

Socket Type: 5.5*2.5mm             Color: Black

Type of cells: Lithiym battery

Packaging & Delivery


Packaging Details: Carrying bag and carton

Delivery Detail: Within 4 working das



300WH External Battery Pack for laptops 19V External Battery Packs

The function of charging and discharging simultaneously


300WH External Battery Pack for laptops 19V External Battery Packs


Product Description




External Battery Packs OW-19-C300 Specification :

Model OW-19-C300
Capacity 300WH
Type of Cells:  Lithium Polymer
Input: 19V/60W~120W ( Optional)
Ouput: 19V/3.5A (Max:4.5A)
Pack size/weight:  250*35*150mm/2.2kg
Fully Charge time: About 6 hours
Cycle life More than 500 times
Color Black

Standard setting including: 

a.battery pack 1pc                                         

b.AC adapter 1PC 

c.output cable 1pc

d.convert tip 8 pcs  


Power guage  :LED indicator to show  battery level

Low power alarm &High charging voltage alarm:LED flashing and buzzing With power switch


Recommended charge Temp:0-35°C
Discharge Temp: -10-50°C
Storage Temp: -5-35°C


Packaging & Shipping



Our Services

We supply OEM or ODM services ;


We supply a year warranty for our batteries , and we bear a half shipping cost for batteries with any problems ;