Power bank module circuit type c input micro display fast charging circuit supply kit 3amp 2amp 2000mah 18w 20w 2.4amp case circuit diagram 2 amp battery18650 This module is a portable backup power supply with an input that matches the 5.0V adapter to charge the internal battery. Use built-in battery for portable device to provide 5.0V/3.0A USB2.0 supply output for external devices.
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