Ryobi ZRRY24310 24V Cordless Lithium-Ion 9 in. Edger (Certified Refurbished) Includes 24-Volt lithium-ion battery and charger 24-volt Lithium-ion cordless battery offers optimum performance 4-position adjustable depth control; 9 in. reversible edger blade 24-Volt battery works with all ryobi 24-Volt cordless products Lightweight design for reduced user fatigue