Battery life plays an important role in cordless tools. With the M12 system, swapping batteries is quick and straightforward. If one battery runs low, another can take its place in seconds.Many professionals appreciate how this fits naturally into their routine. There’s no need for special charging setups or extra cables—just simple battery swaps that keep work flowing. https://omertools.com.au/product/milwaukee-m12si-0-12v-li-ion-cordless-soldering-iron-skin-only