Power Bank Module Single USB Output Type-B & Micro USB Ports

Description Specification Reviews Single USB output Type-C & Micro USB Power bank Module Features: There are two input Type-C and Micro USB also one fast USB output This PCB comes with protection function: Charging overcharge protection, over-discharge protection, over-current protection. Intelligent output device after charging full, automatically stop charging, to prevent mobile phones overcharge. Output voltage and current stable, will cause no harm to user devices. This PCB contains both step up booster 3.7V to 5V and step down buck 5V to 4.2V converter. It charges 3.7V battery cell to 4.2V. Note: The circuit board is connected to the battery negative B-, B is the positive, do not connect in reversed polarity, connecting reversed will burn the board, the battery is connected in parallel welding, assembling battery. Note that the insulation between the battery and the circuit board, battery lead not to touch the circuit board, so as not to cause a short circuit. Specification: Type-C input 1A to 6A Micro USB input: 5V 1A or 2A USB Output: 5V 2.1A USB output voltage: 5V USB output current 2.1A Batteries Type: liquid lithium-ion batteries (18650)   SKU: 1705 Categories: Discrete Electronic Components, Educational & DIYs, Tools & Accessories Tags: Power Bank, power bank charging module, power bank circuit, usb port, usb power bank