Conclusion

• It’s just more convenient to charge your USB device from Power Banks instead of charging it from conventional wall charger.
• Power Bank are here to make our life easier and we must make full use of it.
• Power Bank comes in mant designs and are far cheaper than any smartphone.
• Power Bank can be charged overnight and there is almost no risks of device damage, so you can save your smart phone from risks of overcharging and explosions if left plugged in overnight.