Are two 5,000mAh power banks the same size? Before you say “of course”, we need to clarify what we mean by size. In terms of physical size, putting the new Xiaomi UltraThin Magnetic Power Bank 5000 15W next to a 5,000mAh power bank from EcoFlow shows a stark difference.The Xiaomi power bank weighs only 98g and measures 98.5 x 71.5 x 6.0mm. The EcoFlow power bank is nearly twice as heavy at 180g and it is more than twice as thick at 108.0 x 70.0 x 14.4mm. To be fair, some of that is due to the integrated charging cable and kickstand on the EcoFlow, but the Xiaomi uses a cutting-edge...