Choose Bosch POWER FOR ALL 18V garden tools if you use various tools in your garden. All the garden tools work on the same 18V POWER FOR ALL battery. That way, you can neatly mow your lawn with a lawn mower and prune the hedge with a hedge trimmer after. Neatly trim the edges of your garden? You can use the same battery on a Bosch POWER FOR ALL 18V string trimmer. You use the batteries on your Bosch tools from the same battery platform and voltage as well. This means you don't have to buy a new battery and charger for every new machine. This saves you money and space in your shed. An extra battery is still useful, because you can keep working without waiting for the battery to charge.