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Power Bank 9000mAh Portable Battery Charger / Usb External Dual

3.64V/8,850mAh (max 9,150mAh)
Input : 5.0 Vdc/2A, 

Output : 5.0Vdc/2A
W 105 x H 100 x D 32mm (product size)
Product weight 250g
Main Specifications Lithium-ion battery 
(original LG Chem) 
(built-in battery)
5V / 1.5A or more 
to 2.1A or less (input)
DC 5V / 2.0Ah (output)