Power tools are bound to fall apart in some way. Maybe a handle suddenly snaps off, or maybe an attachment goes missing. When this happens, it's up to you to get hold of the missing or broken pieces ...
A battery-powered string trimmer that has the oomph of a gas model is worth a look on that basis alone. Factor in that you can swap a blower, edger, or cultivator with the trimming head of the Ryobi ...