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8400mah, by using 3ps 2800mah 18650 battery cell made by samsung
protective and intelligent circuit design, automatically change among 1A/2A and 500mah
so that to charge any kinds of mobile battery,
high voltage power circuit design to make sure full charge to the battery cells
high light LED torch design, convenient to use in darkness
high transferring rate upto 85%
one year warranty
dual usb output high quality power bank