USB Power Bank 4x 18650 External Backup Battery Charger Box for Case For Ph
Features: Safe and reliable, perfect for using on travelling and outdoor activities.
With multiple usb ports, you can charge multiple devices at the same time, and the power is lasting.
It is a wonderful existence, after installing the it can normally power your or computer.
The design is beautiful, in line with the aesthetics of people, so that more people love it, and facilitate their lives.
Very practical, easy to carry, with multiple over-current protection, safe to use it.