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Specifications:Capacity: 4000MAH ,3.7V
Output:5V ,1AH
Input:5V,1AH
Conversion efficiency:90%
Safety Voltage:3V
Working temperature: -10?~+50?
Material: Alloy& Stainless steel
Color option: Wine red, Green, Silver, Blue, Pink, Black, White
Dimension: 116*65*8 mm
Net Weight:125g


