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Overview and Specifications:

Height=<70.5mm,  Diameter=<21.75mm
Max Discharge Protected Current: 60A
Material: lithium
Voltage:  standard 3.7V,   fully charged 4.2V,   discharge 2.75V
Charging time: 1000m
A need around 4 hours ; 1600m
A need around 2.5 hours
Max Continuous Current : 60A
Internal resistance: 10 Millieu
Capacity: 4000mAh (+/-10%)
Top shape: Flat Top
Circle Times: >1300 times with normal use
Weight: 75g / each pc
Purpose: E-CIG, flashlight , headlamp, audio equipment, notebook etc.

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