Specification
Model: EPT-4000B-1/EPT-4000W-1
Bulit-in Cell; Lithium-Polymer
Power Capability:4000mAh@3.7V
Nominal input: DC 5.0V/800mA
Nominal output: USB 5.0V 500-1000mA
Self-charge time: through DC input port: 7-8 hours
Size: 108(L)×61(W)×15(H)mm
Weight: 106g
Color: black/white