Dual MicroUSB 3.7V to 5V 2A Mobile Power Bank Module Coupling 3.17mm Hexagon Brass for Motor Shafts and Wheel power banks Samsung 25R 2500

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Dual MicroUSB 3.7V to 5V 2A Mobile Power Bank Module Coupling 3.17mm Hexagon Brass for Motor Shafts and Wheel power banks Samsung 25R 2500In the present time, having a power bank is a necessity, especially if you travel a lot. With this module, you could make your DIY power bank with 2 slots with 5V and 2A output. This module has a built in 4 LEDs that show the working state of the batteries and has an automatic shutdown when the battery could not reach the required voltage output. It has a battery protection IC, over current, overvoltage, and under voltage protection. It has 2 socket