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Reviews around usb output (5.00 of 5)
HAWEEL 4 x 18650 Charger Box, Portable Power Bank and Battery Charger Box with 2 USB Port and Power Display for iPhone iPad Samsung LG Sony HTC PSP Camera etc, Battery Not Included(Black)
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Each USB output holds a rock solid 4.95-5.00 volts at 1.25 amps
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