Our mobile products are like our lifeline. If our smartphone or tablet dies we sort of feel lost. The thing is with our mobile devices they are dependent on their batteries. If you don't use your device that much during the day you can go a full day on a charge, but most people need to charge their device throughout the day. What if you are on the road or in a place where a wall outlet is not available? That is where Power Banks come in. Today we will be checking out ADATA's PV100 4200mAh Power Bank. It has a slim design and 2.1A power output so it should charge your devices quite fast. Read on as we take a look?