The Sealey SV20 Tool Series provides trade professionals & DIY enthusiasts with a selection of affordable cordless power tools which are lightweight, energy efficient and intended for heavy-duty work but most importantly can all operate from the same 20V battery. This one battery fits all solution makes buying additional batteries or upgrading to higher capacity batteries a-lot cheaper and since these power tools are designed to be comfortable and easy to use they really are the best of both worlds.