Power banks are becoming popular in these days as our gadgets or devices types of communicstions such as a calls, sms, emails and other task, and these smart devices needs more power for them to work and last for a day as they should be.
Whats types of powerbanks?
1.Universal Power Bank. They come in many sizes and configuration which can be tailored to your device requirements and to your budget.
2.solar charged power bank.they have photovoltaic panels which can trickle-charge the internal battery when placed in sunligth.