Product details:

Nothing beats the RYOBI ONE+ system for the perfect union of convenience and versatility. This 18-Volt Cordless Edger features a lithium-ion battery that works with all RYOBI ONE+ tools. With a lightweight design and instant starting, it also features a 9 in. dual serrated blade with a 4-position adjustable depth control. The ONE+ 18-Volt Lithium-Ion battery recharges in just an hour and provides your ONE+ tools with fade-free performance for the entire life of the charge.