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Of course, a small battery can become ten thousand and twenty thousand V electric baton, change this voltage is of course no problem, but the charging treasure output up to 5V2A, that is, only 10W, become 220V can only take 10W things below, otherwise the charging treasure will protect the power off, I hope to help you oh. Hello dear, the 12-volt charging bank can restore 220 volts. 12 volt power bank is output 12 volts DC voltage. The electricity in the home is 220 volts AC, and 12 volts DC can be converted from 12 volts DC to 220 volts AC through an inverter. The principle of the inverter is that the rectifier circuit will