Verdict The Anker PowerCore 5000 slim ranks in one of the most portable and reliable mini power banks in the market. The power bank sets a new standard of quality for every other portable charger manufacturers in the world. It is prone to the fact that the bigger is better. Because it is a mini portable power bank that comes with really high power capacity.Despite being smaller in size this portable power bank contains much-appreciated power capabilities including the capacity as well as charging speed. Moreover, it has the ability to provide a much better user experience as compared to all other portable power banks in the market.Well, it is not suggested to carry this portable power bank in your pocket. Because its thickness will make you uncomfortable.