Here are the top efficient power banks you can buy

Need to rush for a business trip but have no time to charge your phone or simply need a portable charging solution to avoid hanging your device on to the wall while at home? If yes, then all you need is to get your hands on an efficient power bank that gives consistent performance. So, if you are planning to invest in a power bank, check out this list:

Mi 20000mAH Power Bank 2i

One of the first options to consider is the Mi 20000mAh Li-Polymer Power Bank 2i that comes in a sandstone-black coloured 14.2mm thin body with a metallic finish and weight of 430g. It has a dual USB output to allow you to charge two devices at the same time.