• Dual Micro-USB 3.7v to 5V 2A Mobile Power Bank DIY

    10 in stock

    Product Parameters: LED lights show the power, non-working state of intelligent automatic shutdown; Built-in lithium battery protection IC, over-current, overvoltage, undervoltage protection; Dual USB output. Product basic parameters: Input port: MicroUSB (Andrews mouth) Material:metal color:blue Input requirements: 5V constant voltage power supply can be done to charge the input power…