Detail PowerBank Dual USB Module 3.7v to 5V 2A Power Bank DIY 18650
Features:
- 100% high quality and branded 18650 Dual Micro USB 3.7V to 5V 2A Boost Mobile Power Bank DIY - 18650 Lithium li-ion battery dual micro usb booster board feature - LED lights show the power, non-working state of intelligent automatic shutdown; - Dual USB output. - Built-in lithium battery protection IC, over-current, overvoltage, undervoltage protection