8000 mAh battery

[Deal] 4,000 mAh power bank for $13.99

Online retailers usually have a myriad of power banks on offer. So much so that customers are usually spoilt for choice. A deal over at Amazon might be well worth your look as the retailer is offering a decent 8,000 mAh battery unit for just $13.99. This here comes with a single charging port, which is perhaps