universal power system for laptop

Battery capacity :3.7V  20000 mAh (74W/h)
Output voltage:USB 5V,16/19/22/24V(optional)
Output current: 1A/5V,4A/16-24V ), 
Charge voltage :100240V AC/DC,
Charging time:<3 hours    
can be connected with solar panel
Accessories:AC100~240V Adaptor 1pc/Universal Connecting Cable 2pcs/English Manual /Camouflage bag /Car DC /DC 12~24V 2A charger 1 PC(optional)/ Mobile phone and Digital products connectors: 16pcs (optional)
Laptop PC connectors: 15pcs (optional)  Product Size:282x205x20mm / 800g

universal power bank for laptop Lithium ion polymer

universal power for laptop Lithium ion polymer Battery

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