https://uk.m.wikipedia.org/wiki/%D0%9F%D0%B0%D1%80%D1%82%D1%96%D1%8F_%C2%AB%D0%92%D1%96%D0%B4%D1%80%D0%BE%D0%B4%D0%B6%D0%B5%D0%BD%D0%BD%D1%8F%C2%BB

http://kharkov.kha.olx.ua/obyavlenie/ultrapotuzhniy-zovnshny-akumulyator-xiaomi-mi-power-bank-20800mah-IDfkl42.html

автаркія

http://m.obozrevatel.com/blogs/37204-u-rossii-est-tolko-odin-vyihod-kapitulirovat--vse-ostalnoe-protivorechit-fizike.htm