Power Bank 3 USB 5V 2.1A Battery Charger Step Up boardFeatures:Apply Battery Type: 18650 battery(not include)Output Voltage: 5V 2.1AInput Voltage: 5V 1AInstructions: Level 4 Capacity indicatorLighting: with LED lightsRated Voltage: 3.7V ( Suit for 3.2V-4.2V. The batteries are in parallel..
XL6009 module is a non-isolated step-up boost voltage converter featuring adjustable output voltage, high efficiency. It converts input voltage of 3-32V DC to an output voltage of 5-35V DC / 3AFeatures:-Wide input voltage 3V ~ 32V, optimum operating voltage range is 5 ~ 32V;Wide Output voltage ..
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