Voltage is likewise a measure of electrical present-day. Simply put, amperage describes the quantity of electrons flowing via a circuit, and voltage refers to the drive with which People electrons are going. 2nd, if you need to charge the battery in a short period of time, more amps are better. https://hukums.com/products/xtra-power-xp-wm-300a-single-phase-300-amp-arc-welding-machine-with-igbt-technology